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BRITISH STANDARD BS EN ISO6330:2001+A1:2009

ICS 59.080.01

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

Textiles — Domesticwashing and dryingprocedures for textiletesting

This British Standard, havingbeen prepared under thedirection of the EngineeringSector Committee, was publishedunder the authority of theStandards Committee and comes

BS EN ISO 6330:2001+A1:2009

National foreword

This British Standard is the UK implementation of EN ISO 6330:2000+A1:2009. It is identical with ISO 6330:2008, incorporating amendment 1:2008. It supersedes BS EN ISO 6330:2001 which is withdrawn.

The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to ISO text carry the number of the ISO amendment. For example, text altered by ISO amendment 1 is indicated by .

The UK participation in its preparation was entrusted to Technical CommitteeTCI/82, Care labelling, drycleaning, domestic washing and drying.

A list of organizations represented on this committe can be obtained on request to its secretary.

This publication does not purport to include all necessary provisions of a contract. Users are responsible for its correct application.

Compliance with a British Standard cannot confer immunity from legal obligations.

ISBN

into effect on 15 March 2001

Amendments issued since publication

Date Comments

Implementation of CEN endorsement A1:2009

ISO amendment 1:2008 with

© BSI 2009

30 March 2009

978 0 580 59683 4

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EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN ISO 6330:2000+A1

January 2009

ICS 05.008.01; 59.080.30 Supersedes EN 26330:1993

English version

Textiles - Domestic washing and drying procedures for textiletesting (ISO 6330:2000)

Textiles - Méthodes de lavage et de séchage domestiquesen vue des essais des textiles (ISO 6330:2000)

Textilien - Nichtgewerbliche Wasch- undTrocknungsverfahren zur Prüfung von Textilien (ISO

6330:2000)

This European Standard was approved by CEN on 15 December 2000.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.

CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATIONC OM ITÉ EUR OP ÉEN DE NOR M ALIS AT IONEUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2000 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.

Ref. No. EN ISO 6330:2000 E

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Foreword

The text of the International Standard ISO 6330:2000 has been prepared byTechnical Committee ISO/TC 38 "Textiles" in collaboration with TechnicalCommittee CEN/TC 248 "Textiles and textile products", the secretariat of whichis held by BSI.

This European Standard supersedes EN 26330:1993.

This European Standard shall be given the status of a national standard, eitherby publication of an identical text or by endorsement, at the latest by June 2001,and conflicting national standards shall be withdrawn at the latest by June 2001.

According to the CEN/CENELEC Internal Regulations, the national standardsorganizations of the following countries are bound to implement this EuropeanStandard: Austria, Belgium, Czech Republic, Denmark, Finland, France,Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,Portugal, Spain, Sweden, Switzerland and the United Kingdom.

Endorsement notice

The text of the International Standard ISO 6330:2000 was approved by CEN asa European Standard without any modification.

NOTE: Normative references to International Standards are listed in annex ZA(normative).

Foreword to amendment A1

This document (EN ISO 6330:2000/A1:2009) has been prepared by Technical Committee ISO/TC 38 "Textiles" in collaboration with Technical Committee CEN/TC 248 “Textiles and textile products” the secretariat of which is held by BSI.

This Amendment to the European Standard EN ISO 6330:2000 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2009, and conflicting national standards shall be withdrawn at the latest by July 2009.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.

Endorsement notice

The text of ISO 6330:2000/Amd 1:2008 has been approved by CEN as a EN ISO 6330:2000/A1:2009 without any modification.

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Reference numberISO 6330:2000(E)

INTERNATIONALSTANDARD

ISO6330

Second edition2000-12-15

Textiles — Domestic washing and dryingprocedures for textile testing

Textiles — Méthodes de lavage et de séchage domestiques en vue desessais des textiles

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ii

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iii

Contents Page

Foreword.....................................................................................................................................................................iv

1 Scope ..............................................................................................................................................................1

2 Normative references ....................................................................................................................................1

3 Principle..........................................................................................................................................................1

4 Reagents.........................................................................................................................................................2

5 Apparatus .......................................................................................................................................................3

6 Test specimens..............................................................................................................................................6

7 Washing procedure .......................................................................................................................................6

8 Drying procedure...........................................................................................................................................6

9 Test report ......................................................................................................................................................7

Annex A (normative) AATCC 1993 reference detergent WOB (zero-phosphate formula withoutbrightener) ....................................................................................................................................................10

Annex B (normative) Non phosphate ECE and IEC reference detergents ...........................................................11

Annex F (normative) Tumble drying — Determination of drying capacity ..........................................................15

Annex C (normative) Nominal percentage composition for non-phosphate reference detergent 3 .................12

Annex D (normative) Nominal percentage composition for non-phosphate reference detergent 4 ..................13

Annex E (normative) Detergents — Additional requirements ...............................................................................14

Annex ZA (normative) Normat ive references to intern ation al pub lications with their corr espond ing

Europ ean publ icatio ns ....................................................................................................................................16

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iv

Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOmember bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe right to be represented on that committee. International organizations, governmental and non-governmental, inliaison with ISO, also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.

Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this International Standard may be the subject ofpatent rights. ISO shall not be held responsible for identifying any or all such patent rights.

International Standard ISO 6330 was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 2,Cleansing, finishing and water resistance tests.

This second edition cancels and replaces the first edition (ISO 6330:1984) which has been technically revised.

Annexes A to C form a normative part of this International Standard.

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1

Textiles — Domestic washing and drying procedures for textiletesting

1 Scope

1.1

1.2 Provision is made for:

1.3 Each washing procedure represents a single domestic wash.

1.4 This International Standard also specifies five drying procedures:

A — Line dryB — Drip dryC — Flat dryD — Flat pressE — Tumble dry

1.5 A complete test consists of a washing and drying procedure.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of, any of thesepublications do not apply. However, parties to agreements based on this International Standard are encouraged toinvestigate the possibility of applying the most recent editions of the normative documents indicated below. Forundated references, the latest edition of the normative document referred to applies. Members of ISO and IECmaintain registers of currently valid International Standards.

3 PrincipleA specimen is washed in an automatic washing machine and dried according to specified procedures.

This International Standard specifies standardized washing and drying procedures for textile testing. The procedures are applicable to textile fabrics, garments and other made-up textile articles which are subjected to appropriate combinations of domestic washing and drying procedures.

a) ten different washing procedures based on the use of a horizontal drum, front loading type machine (type A washer).

This amendment allows for the use of a replacement of the horizontal drum machine and the machine specified in previous additions of this International Standard. The original machine is no longer manufactured.

Limited trials carried out indicate that tested fibre and fabric types in both machines give similar results under the same wash conditions.

b) eleven different washing procedures based on the use of top loading agitator type of machine (type B washer).

The results obtained in the two types of machine, horizontal and vertical, may not be the same.

ISO 6059: Water quality — Determination of the sum of calcium and magnesium — EDTA titrimetric method.

ISO 3758: Textiles — Care labelling code using symbols.

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4.1 Reference detergents

4.1.1 Reference detergent 1

Reference detergent 1 is a non-phosphate detergent without brightener and without enzymes. (Other designation (AATCC 1993 reference detergent WOB.)

NOTE 1 Reference detergent 1 can be used only in top loading type B washers.

NOTE 2 The nominal composition of reference detergent 1 is given in Annex A.

4.1.2 Reference detergent 2

Reference detergent 2 is a non-phosphate detergent without optical brightener and without enzymes. (Other designation ECE reference detergent 98.)

NOTE 1 Reference detergent 2 can be used in both machine type A and type B.

NOTE 2 The nominal composition of reference detergent 2 is given in Annex B.

NOTE 3 For distribution and mixing see Annex E.

4.1.3 Reference detergent 3

Reference detergent 3 is a non-phosphate detergent with optical brightener but without enzymes. (Earlier incorrect designation IEC reference detergent A.)

NOTE 1 Reference detergent 3 can be used in both machine type A and type B.

NOTE 2 The nominal composition of reference detergent 3 is given in Annex C.

NOTE 3 For distribution and mixing see Annex E.

4.1.4 Reference detergent 4

Reference detergent 4 is a non-phosphate detergent with optical brightener and with enzymes. (Other designation IEC reference detergent A*.)

NOTE 1 Reference detergent 4 can be used in both machine type A and type B.

NOTE 2 The nominal composition of reference detergent 4 is given in Annex D.

NOTE 3 For distribution and mixing see Annex E.

4.2 Water of hardness not exceeding 0,002 % (20 ppm), expressed as calcium carbonate, when determined in accordance with ISO 6059.

4 Reagents

2

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5 Apparatus

5.1 Automatic washing machines, capable of being operated under the following conditions.

5.1.1 Type A washer — Front loading, horizontal drum type

NOTE 1 Suitable machines are available commercially. Names of such machines can be obtained from national standard bodies. Other machines can be used if it has been established that they give equivalent results.

Type Front loading horizontal rotating machine

Type A1

Specification for older machines no longer in production but still in use

Type A2

Specification for the new replacement machine

Diameter (515 ± 5) mm (520 ± 1) mm

Depth (335 ± 5) mm (315 ± 1) mm

Volume 65 l 61 l

Number 3 3

Height (50 ± 5) mm (50 ± 1) mm

Length Extended the depth of the inner drum

Extended the depth of the inner drum

Inner drum

Lifting vanes

Spacing 120° 120°

Outer drum Diameter (575 ± 5) mm (554 ± 1) mm

Wash With load and water

(52 ± 1) rpm [(0,866 ± 0,016) s−1]

(52 ± 1) rpm [(0,866 ± 0,016) s−1] Drum

speed Hydroextraction (spin) (500 ± 20) rpm

[(8,333 ± 0,333) s−1] (500 ± 20) rpm

[(8,333 ± 0,333) s−1]

Heating power (5,4 ± 0,108) kW (5,4 ± 0,108) kW

Controlled Controlled

Accuracy at switch off temperature ± 1 °C ± 1 °C

Heating system Thermostat

Switch on temperature

u 4 °C below switch-off temperature

u 4 °C below switch-off temperature

3

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5.1.2 Type B washer — Top-loading, agitator type

NOTE 1 Suitable machines are available commercially. Names of such machines may be obtained from national standardsbodies. Other machines can be used if it has been established that they give equivalent results.

NOTE 2 Conditions represent machines manufactured from 1992 onwards. For machines manufactured prior to 1992,contact the Secretariat of ISO/TC 38/SC 2 for information on machine specifications.

a) Machines consist of a drum with an inner perforated basket (50 � 5) cm in diameter and (30 � 5) cm in depth.

b) Examples of alternative washing conditions:

Machine cycle Washing temperature

1) Normal/Cotton sturdy II (27

�

������3) °C

2) Delicate III (41 � 3) °C

3) Durable press IV (49 � 3) °C

V (60 � 3) °C

VI (70 � 3) °C

Examples of machine settings without load:

Cycle Normal Delicate Durable press

Water level

Agitation speed (2,983 � 0,033) s�1

[(179 � 2) rpm]

(1,983 � 0,033) s�1

[(119 � 2) rpm]

(2,983 � 0,033) s�1

[(179 � 2) rpm]

Wash time (12 � 1) min (8 � 1) min (10 � 1) min

Spin speed (10,75 � 0,25) s�1

[(645 � 15) rpm]

(7,167 � 0,25) s�1

[(430 � 15) rpm]

(7,167 � 0,25) s�1

[(430 � 15) rpm]

Final spin time (6 � 1) min (6 � 1) min (4 � 1) min

Normal ON

Normal OFF

Tolerance refer to timer intervals

(12 ± 0,1) s

(3 ± 0,1) s

(12 ± 0,1) s

(3 ± 0,1) s Rotating action

Gentle ON

Gentle OFF

Tolerance refer to timer intervals

(3 ± 0,1) s

(12 ± 0,1) s

(3 ± 0,1) s

(12 ± 0,1) s

(16 ± 2) l/min (20 ± 2) l/min Cold water supply

(20 ± 5) °C (20 ± 5) °C

Step size u 3 mm u 3 mm Level sensing

Repeatability ± 5 mm (± 1 litre) ± 5 mm (± 1 litre)

Water system

Drain system Drain valve > 30 l/min > 30 l/min

NOTE 2 In tropical countries the water temperature (20 ± 5) °C should be regarded as a minimum temperature. When the measurement is carried out with the water temperature different from these limits, the supply water temperature should be stated in the measurement report.

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5.2.1 For use with type A washers:

a) Controlled exhaust temperature: Maximum 80 °C (see 8.5)

b) Peripheral centrifugal acceleration: 0,6 g to 0,9 g

c) Drum volume 80 l to 120 l

d) Drum reversal: Yes

e) Drum diameter: Minimum 55 cm

f) Lifting vanes shall be at least three in number, regularly spaced within the drum either as an integral part of theconstruction or as fitments. Each lifting vane shall measure between 4 cm and 9 cm at its base, taperingthrough a vertical height of 4 cm to 8 cm to a width of 1 cm to 2 cm.

g) Heating input: Maximum 3,5 kW

h) Cool-down period Minimum 5 min

5.2.2 For use with type B washers:

a) Machines consist of a drum with a cylindrical basket (75 � 5) cm in diameter and at least (40 � 5) cm in depth.

b) Alternative tumble drying conditions:

Designation Exhaust temperature Cool-down

a) Normal/Cotton sturdy (66 � 5) °C 5 min

Permanent press (66 � 5) °C 10 min

b) Delicate < 60 °C 5 min

5.3 Ballast

5.3.1 For use with type A machines:

Ballast of 100 % knitted polyester texturized filament fabric having a mass per unit area of (310 � 20) g/m2. Ballasttest pieces shall consist of four thicknesses of fabric, overlocked together on all four sides, and bartacked at thecorners. The pieces shall be square and measure (20 � 4) cm � (20 � 4) cm. Each test piece shall weigh (50 � 5) g.

Alternatively, either hemmed pieces of 100 % bleached cotton fabric sheeting or 50 % polyester/50 % cotton plainwoven fabric, both having a mass per unit area of (155 � 5) g/m2 and dimensions (92 � 5) cm � (92 � 5) cm may beused.

5.3.2 For use with type B machines:

Ballastcharacteristics

Type I100 % cotton

Type III50/50 + 3 % polyester/cotton

Yarns (ring spun) 16/1 30/2

Fabric construction 21 � (19 � 2) cm 19 � (19 � 2) cm

Fabric mass (155 � 5) g (155 � 5) g

Piece size 92 � (92 � 2) cm 92 � (92 � 2) cm

Piece mass (130 � 10) g (130 � 10) g

5.2 Dryer of the rotary tumble type, complying with the following requirements:

NOTE Suitable machines are available commercially. Details may be obtained from the Secretariat of ISO/TC 38 or fromthe ISO Central Secretariat. Other machines can be used if it has been established that they give equivalent results.

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5.4 Electrically (dry heated) heated flat-bed press. If this method of drying is used, the type of press shall bespecified between the interested parties.

5.5 Facilities for line drying (see 8.1) or drip drying (see 8.2).

5.6 Screen drying racks of approximately 16 mesh stainless steel or plastic (see 8.3).

6 Test specimens

The number of specimens to be subjected to the washing and drying procedures specified in this InternationalStandard will be determined by the purpose for which the material is being tested.

7 Washing procedure

7.1 Select the washing procedure to be used from those given in Table 1 for a front-loading type of machine orfrom Table 2 for a top-loading type of machine.

7.2 Weigh the (individual) specimens or made-up articles (8.2) or garments (8.5) before washing if they are to betumble dried.

7.3 Place the material to be washed in the washing machine (see 5.1.1 or 5.1.2) and add sufficient ballast (see5.3) to make a total air-dry material load of the mass shown for the washing procedure selected. If dimensionalstability is being determined, not more than half of the wash load shall consist of test specimens. Add sufficientdetergent ( 4.1.1 to 4.1.4, as appropriate) to provide a good running suds having a height of not more than(3 � 0,5) cm at the end of the washing cycle.

Before placing the test load to be washed in type B washers, fill the machine with water at the selectedtemperature, add (66 � 1) g 1993 AATCC Standard Reference Detergent or the appropriate amount of IEC or ECEdetergent, to provide good running suds having a height of not more than (3 � 0,5) cm at the end of the washingcycle.

7.4 After the hydroextraction of the washing procedure has been completed, remove the material, taking carethat it is neither stretched nor distorted, and dry it by one of the drying procedures described in clause 8.

7.5 If the material is to be drip dried, stop the machine just before the final hydroextraction and remove thematerial, taking care that it is neither stretched nor distorted.

8 Drying procedure

8.1 Procedure A — Line dry

Suspend the hydroextracted material from a line to dry according to the procedure specified in 8.2.

8.2 Procedure B — Drip dry

Remove the material from the machine and, without extracting the water, suspend it from a line in still air at roomtemperature and allow to dry.

The warp or wale direction of the material shall be vertical. Made-up articles shall be suspended in the direction ofuse.

8.3 Procedure C — Flat dry

Spread out the material on a horizontal screen drying rack (see 5.6), remove the wrinkles by hand withoutstretching or distorting, and allow it to dry.

6

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8.4 Procedure D — Flat press

Place the material on the flat bed of the press (see 5.4). Smooth out heavy wrinkles by hand and lower the head ofthe press, which shall be set at a temperature suitable for the material to be pressed, for one or more short periodsas required to dry the material. Record the temperature and pressure used.

8.5 Procedure E — Tumble dry

NOTE This procedure is not intended to be used for evaluating articles containing temperature sensitive fibres. Research ison-going to establish the appropriate criteria for these fabrics.

At the end of the selected washing and hydroextraction process, immediately place the material and the ballast inthe tumble dryer (see 5.2). Tumble dry the load as follows.

If measuring the fabric temperature during tumble drying is required, plastic ribbons (thermolabels) that indicate thetemperature, shall be affixed to the fabric. These thermolabels shall be capable of measuring in the temperaturerange (40 to 90) °C.

To determine the optimum heat setting, tumble dry the load at the normal (high) heat setting for the calculated testcycle time as determined by the method described in annex F. At the end of the calculated test cycle time the finalmoisture shall be equivalent to the moisture content of the conditioned textile (0 % at 20 °C and 65 % relativehumidity).

If a weighing device is used, place the tumble dryer on the platform of the weighing device and determine the massof the dryer. Place the weighed specimens or garments including ballast in the dryer and switch on the dryer.Continue drying until the mass does not change and then switch off the heat and allow to run without heat for atleast 5 min. After this time, measure the mass of the relaxed specimens or garments.

Determine the dimensions of the materials and then proceed to further dry the load until the final moisture shall beeither � 2 % for synthetics or � 5 % for cellulosics.

Dry to constant mass.

For machines specified in 5.2.2, ensure that the temperature of the exhaust from the drum is set at a temperaturenot exceeding 70 °C for normal fabrics and 50 °C for permanent press or delicate fabrics. Operate the dryer untilthe load is dry, and continue tumbling for 5 min with the heat turned off. Remove the material immediately.

9 Test report

The test report shall contain the following information:

a) reference to this International Standard, i.e. ISO 6330;

b) the type of machine and washing procedure used;

c) the drying procedure used and the type of machine if applicable;

d) the type of detergent used;

e) total dry mass of the specimens and ballast;

f) details of any deviation from the specified procedures.

g) the ballast used.

NOTE Precision and bias for methods associated with this procedure are being established and will be described in theappropriate International Standards.

7

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Annex A(normative)

Nominal percentage composition for non-phosphate reference detergent 1

(AATCC 1993 reference detergent WOB)

Composition Reference detergent 1 %

Linear sodium alkylbenzene sulfonate sodium salt a 18,00

Sodium aluminosilicate solids 25,00

Sodium carbonate 18,00

Sodium silicate solids b 0,50

Sodium sulfate 22,13

Polyethylene glycol c 2,76

Sodium polyacrylate 3,50

Silicone, suds suppressor 0,04

Moisture 10,00

Miscellaneous (unreacted in surfactant stocks) 0,07

Total 100,0

a C11.8LAS, introduced as Stepan’s Calsoft L-50-12.

b SiO2:Na2O = 1,6:1.

c 2 % introduced via base granulates and 0,76 % introduced via suds suppressor admixture.

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Annex B(normative)

Nominal percentage composition for non-phosphate reference detergent 2

(ECE reference detergent 98)

Composition Reference detergent 2 %

Linear sodium alkylbenzene sulfonate (mean length of alkane chain C11-5) 7,5

Ethyloxylated fatty alcohol C12-18 (7EO) 4,0

Sodium soap (chain length C12-17 46 %; C18-20 54 %) 2,8

Foam inhibitor (DC-42485) 5,0

Sodium aluminium silicate (zeolite 4A) 25,0

Sodium carbonate 9,1

Sodium salt of a copolymer from acrylic and maleic acid 4,0

Sodium silicate (SiO2:Na2O = 3,3:1) 2,6

Carboxymethylcellulose (CMC) 1,0

Diethylene triamine penta(methylene phosphoric acid) 0,6

Sodium sulfate 6,0

Water 9,4

Tetra-acetylethylenediamine (TAED) (100 % active) 3,0 (as separate addition)

Sodium perborate tetrahydrate 20,0 (as separate addition)

Total 100,0

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Annex C

(normative)

Nominal percentage composition for non-phosphate reference detergent 3

(Earlier incorrect designation IEC reference detergent A)

Composition Reference detergent 3 %

Linear sodium alkylbenzene sulfonate (mean length of alkane chain C11-5) 7,5

Ethyloxylated fatty alcohol C12-18 (7EO) 4,0

Sodium soap (chain length C12-17 46 %; C18-20 54 %) 2,8

Foam inhibitor concentrate 8 % on inorganic carrier 5,0

Sodium aluminium silicate (zeolite 4 A) 25,0

Sodium carbonate 9,1

Sodium salt of a copolymer from acrylic and maleic acid 4,0

Sodium silicate (SiO2:Na2O = 3,3:1) 2,6

0,1 esolulleclyhtemyxobraC

Diethylene triaminepenta(methylene phosphoric acid) 0,6

Optical whitener for cotton (stilbene type) 0,2

Sodium sulfate (as accompanying substance or added) 5,8

Protease (Savinase 8,0) –

Water 9,4

Sodium perborate tetrahydrate 20,0 (as separate addition)

Tetraacetylethylenediamine 3,0 (as separate addition)

Total 100,0

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Annex D

(normative)

Nominal percentage composition for non-phosphate reference detergent 4

(IEC reference detergent A*)

Composition Reference detergent 4 %

Linear sodium alkyl benzene sulfonate 8,8 (± 0,5)

Ethyloxylated fatty alcohol C12/14 (7 EO) 4,7 (± 0,3)

Sodium soap (tallow soap) 3,2 (± 0,2)

Foam inhibitor concentrate (12 % silicon on inorganic carrier) 3,9 (± 0,3)

Sodium aluminium silicate zeolite 4 A (80 % active substance) 28,3 (± 1,0)

Sodium carbonate 11,6 (± 1,0)

Sodium salt of a copolymer from acrylic and maleic acid (granulate) 2,4 (± 0,2)

Sodium silicate (SiO2:Na2O = 3,3:1) 3,0 (± 0,2)

2,1 esolulleclyhtemyxobraC (± 0,1)

Phosphonate (DEQUEST 2066, 25 % active acid) 2,8 (± 0,2)

Optical whitener for cotton (stilbene type) 0,2 (± 0,02)

Sodium sulfate 6,5 (± 0,5)

Protease (Savinase 8,0) 0,4 (± 0,04)

Sodium perborate tetrahydrate (active oxygen 10,00 % – 10,40 %) 20,0 (as separate addition)

Tetra-acetylethylenediamine (active content 90,0 % – 94,0 %) 3,0 (as separate addition)

Total 100,0

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Annex E (normative)

Detergents — Additional requirements

E.1 Distribution and mixing

The reference detergents 2, 3 and 4 are distributed in three separate parts:

1) detergent base powder;

2) sodium perborate tetrahydrate;

3) bleach activator tetraacetylethylenediamine.

They shall be mixed prior to use in accordance with the following procedure.

For reasons of consistency it is desirable to predissolve the three separate parts in the proportions of:

� 77 parts detergent base powder;

� 20 parts sodium perborate;

� 3 parts bleach activator.

Dissolve the base powder and sodium perborate in tap water complying with specifications given in 4.2 at approximately 40 °C. Cool this solution to approximately 30 °C and add the bleach activator before adding the final solution to the machine (see 7.3).

E.2 Effect of enzymes (applicable to detergents 2 and 3 only)

If it is desirable to evaluate the effects of enzymes, the optional addition of the following enzymes to detergents 2 and 3 can be made with a corresponding reduction in the detergent powder.

Protease Savinase 12T 0,5 %

Lipase Lipolase 100T 0,1 %

Amylase Termamyl 60T 0,3 %

Cellulase Celluzyme 0,7T 0,3 %

All these enzymes are available from Novozymes A/S1).

Annex F (former Annex C) follows on the new page 15.

1) These enzymes are examples of suitable products available commercially. This information is given for the convenience of users of this international Standard and does not constitute an endorsement by ISO of these products.

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Annex F(normative)

Tumble drying — Determination of drying capacity

F.1 Method of estimating cycle time

F.1.1 Use a load composed entirely of 100 % ballast (see 5.3) and determine the conditioned mass of the load.

F.1.2 Wash the load as specified in clause 7. After spinning, weigh the load (initial mass).

F.1.3 Set the dryer (5.2) to a time in excess of 80 min and let it run. After 30 min (or 60 min if preferred) stop themachine, remove the load and weigh. Calculate the amount of moisture evaporated and from this, the "drying rate",a, which is the amount of evaporated moisture divided by the drying time.

F.1.4 Re-wet the load by filling the machine to the same level as was used in 7.1 and then advance theprogramme to the last hydroextraction. At the end of the hydroextraction, weigh the load. From this mass and thedrying rate, a, calculate the preliminary cycle time which is the moisture content divided by the drying rate.

F.1.5 Re-load the dryer and set to a time safely in excess of the preliminary cycle time and let it run.

F.1.6 Immediately after the preliminary cycle time stop the dryer, remove the load and weigh. Calculate theamount of evaporated moisture. From this and the preliminary cycle time, calculate the "drying rate", b, which is themoisture evaporated divided by the cycle time.

F.1.7 Perform test cycles at a time setting determined from the final estimated test cycle time given by thefollowing equation:

Final estimated test cycle time =� �

� �

initial mass conditioned mass

Drying rate b

�

� 60 � cool-down time

The following example illustrates the method of calculating the final estimated test cycle time:

The conditioned mass of the load = 4,0 kg

The initial mass of the load (F.1.2) = 7,5 kg

Moisture retained = 3,5 kg

If after 30 min, moisture evaporated = 1,3 kg (measured)

or if after 60 min, moisture evaporated = 2,6 kg (measured)

Then, drying rate (a) = 2,6 kg/h

and, therefore, preliminary cycle time =3,52,6

= 1,35 h (i.e. 81 min)

If, after 81 min, moisture evaporated = 3,34 kg (measured)

Then, drying rate (b) =3,341,35

= 2,47 kg/h

Final estimated test cycle time =� �

Moisture retainedDrying rate b

� 60 � 5 min cool-down

i.e., in this case� �3,5 60

2,47

�

� 5 = 90 min

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As can be seen from the example above, using drying rate a for the final estimated test cycle times would lead toan under-estimate of 5 %, hence the need for the second run to compensate for the falling rate period. It issuggested that if ambient temperature and relative humidity conditions are reasonably consistent, drying rate bneed only be determined once, but if they are variable, the drying rate should be determined for the new conditions.

Cycle time estimated in this way will be within 2 % of the true time as measured using an accurate scale. This levelof precision is adequate given the arbitrary nature of the over-dry factors when drying different fibre types in thesame load.

F.2 Creasing

For some textiles tumble drying can be beneficial in removing creases set in by the washing process.

F.3 Repeat testing

The machine shall be cooled to ambient temperature between tests. This can be done by repeating the cool-downstage.

F.4 End point

For all textiles this should be between 0 and � 3 % of the conditioned mass:

Mass of load after total cycle timeEnd point = 1 100 %

Conditioned mass

� �� �� �� �

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Annex ZA(normative)

Normative references to international publications with their correspondingEuropean publications

This European Standard incorporates, by dated or undated reference, provisionsfrom other publications. These normativereferences are cited at the appropriateplaces in the text, and the publications are listed hereafter. For dated references,subsequent amendments to or revisions of any of these publications apply to thisEuropean Standard only when incorporated in it by amendment or revision. Forundated references the latest edition of the publication referred to applies(including amendments).

NOTE Where an International Publication has been modified by common modifications, indicatedby (mod.), the relevant EN/HD applies.

Publication Year Title EN/HD Year

ISO 3758 1991 Textiles - Care labelling code usingsymbols

EN 23758 1993

17

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BS EN ISO6330:2001+A1:2009