EUnited Test Solidliquid 2014-04-30 E

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EUnited Municipal Equipment Section Winter maintenance equipment

Spreading machines (gri tting machines) Requirements

for distribution and their test

(EUnited Spreader Test)

Version: 2014-04-30


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Contents Page

Foreword ..............................................................................................................................................................3

Introduction .........................................................................................................................................................3

1 Scope ......................................................................................................................................................4

2 Normative references ............................................................................................................................4

3 Terms and definit ions ...........................................................................................................................4

4 Defini tion of spreader types .................................................................................................................6

5 Test material ...........................................................................................................................................7

6 Certif ication procedure .........................................................................................................................86.1 Principle of qual if ication test procedure .............................................................................................8

6.2 Identi fication and requirements on spreader types ...........................................................................86.3 Procedure of the static test ..................................................................................................................96.3.1 Description of the static quali fication test per spreader/sprayer type .............................................96.3.2 Method of the static test .....................................................................................................................116.3.2.1 Test condit ions ....................................................................................................................................116.3.2.2 Spreader types for so lid thawing media without prewetted salt on ly ............................................126.3.2.3 Spreader types for sol id thawing media with prewetted salt ..........................................................126.3.2.4 Sprayer types for liquid thawing media ............................................................................................126.3.3 Requirements on performance ...........................................................................................................136.3.4 Quali fi cation requ irements .................................................................................................................136.4 Dynamic test procedure ......................................................................................................................13

6.4.1 Test parameters ...................................................................................................................................136.4.2 Dynamic test method ..........................................................................................................................15

6.4.2.1 Test area condit ions ............................................................................................................................176.4.2.2 Detailed descrip tion of the test method ............................................................................................186.4.2.3 Qualification requirements of the dynamic test wi th sol id, prewetted and liquid thawing

media .....................................................................................................................................................18

6.4.2.4 Qualif ication test requirements for dynamic test .............................................................................18

Annex A Components which have an inf luence on the spreading/spraying parameters .........................19

Annex B Test material - Certi ficate .................................................................................................................20

Annex C Test material Cert if icate ................................................................................................................21


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Foreword

This document has been prepared by Technical Experts Group of EUnited Municipal Equipment SectionWinter maintenance equipment.

This document provides additional requirements and test conditions for liquid spraying and replaces thedocument version 2013-10-31.

Introduction

The manufacturers of spreading machines associated in EUnited Municipal Equipment and the EngineeringCenter Bygholm in Denmark have developed an agreed test method with the main intention:One commontest procedure making spreading quality comparable and providing repeatability and reliability,independent from road and weather conditions.

When spreading thawing agents such as salt or brine on traffic roads, the aim is always:

To apply as much thawing agent as necessary in order to ensure the safety of road traffic under thecurrent weather conditions, but also to minimize the amount of thawing agent in order to limit theenvironmental impact and to reduce the costs.

Therefore, it is a common interest of manufacturers and users to operate spreading machines - also referredto as spreaders or gritters - in such way, that a homogeneous distribution of spreading material is achievedwithin the set spreading dosage, width and spreading pattern track.

Since this distribution performance is the most important quality feature of a spreading machine,manufacturers and users have created their own test procedures separately from each other in order to obtaininformation about the distribution quality. This has resulted in a high variety of different test methods all overEurope. Later on European experts - manufacturers and users - started at CEN to work out a common testprocedure for verifying the distribution quality of spreaders in a European Standard.

As a first result, EN 15597-1 has been published defining a static test method to verify the accuracy of setspreading dosages of thawing material brought out with a spreader in a defined time period.

Subsequently this CEN expert group tried to develop a common dynamic test for verifying the distributionquality during driving and as close as possible to real operating conditions. But these experts could not agreeon standardised test conditions. Due to the different kinds of thawing materials used throughout Europe andthe lack of experience in determining the exact quantity of thawing material spread on the road, this groupdecided to publish a Technical Specification instead of a European Standard. This has led to the situation thatall operators choose different methods to determine the precision of the spreading pattern. Until today the testmethods have not been specified in detail. The new EUnited spreader performance test is a new approachtowards a harmonised European test procedure.


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1 Scope

This document shall give the possibility to certify a model of vehicle-mounted or (trailer) dragged spreadingmachines for winter service with standard parameters.

This document is valid for machines which are used to spread the following media:

solid thawing media with or without pre-wetted media

liquid thawing media

The following points are not covered by this document:

requirements for registration and approval;

requirements made by automobile manufacturers;

requirements on safety these are dealt with in EN 13021.

2 Normative references

The following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenceddocument (including any amendments) applies.

EN 13021, Winter service machines Safety requirement

EN 15144, Winter maintenance equipment Terminology Terms used for winter maintenance equipment

EN 15431, Winter and road service area maintenance equipment Power systems and related controls Interchangeability and performance requirements

EN 15597-1 Winter maintenance equipment Spreading machines (gritting machines) Part 1: Generalrequirements and definitions for spreading machines

3 Terms and definitions

For the purposes of this document, the terms and definitions of EN 15144 apply.

3.1

Machine modelA machine model includes a spreader of thawing material for road maintenance and its control box

3.2Spreader typesThe spreader types are defined by using different spreading parameters according to table 1a and 1b

3.3Test materialsThe test materials used are defined in clause 5

3.4Test

A test realized with different spreading parameters (dosage, spreading width and vehicle speed), for amachine model, a test material and a spreader type


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3.5QualificationA qualification of a machine model states the conformity to the requirements defined in this document; thecheck of the respect of these requirements is realised after a series of static and dynamic tests defined for atype of spreader and a test material

3.6Test reportThe test report is the document in which the whole conditions and test results for a qualification are recorded

3.7Technical certificateThe technical certificate is set for a qualified machine model. If several qualifications of the same model arerealised with different couples test material / spreader type, the whole test results of the differentqualifications will be reported on the same technical certificate

3.8Outer strips

Outer strips are the two strips of 1 m width which border the left and right side of a theoretical measure area

3.9Measurement areaThe area, in the dynamic test, corresponds to the defined spreading length multiplied by the set theoreticalspreading width. This is the effective area for collecting the spreading agent.

3.10Total collecting areaThe total collecting area is the measurement area plus the two outer strips

3.11

Spreading dosageTotal mass of spreading media in g/m

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3.12Total amount of NaClThe total amount of NaCl is the complete mass of NaCl collected on the total collecting area

3.13Effective dosageThe effective dosage is the ratio of the total amount of NaCl on the measurement area

3.14Theoretical dosageThe theoretical dosage is the value set on the control box in g/m2

3.15Theoretical total amountThe theoretical total amount is the theoretical dosage multiplied by the measurement area

3.16Effective dosage in a stripThe effective dosage in a strip is the total amount of test material collected in this strip, divided by the stripsurface area

3.17

Effective average dosage in a stripThe effective average dosage in a strip is the average of two separate measurements of effective dosage in astrip


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3.18Spraying widthWidth of the spraying track measured perpendicular to the axis of the road

3.19

Spraying dosageTotal mass of spraying media in g/m

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4 Defin ition of spreader types

Some spreaders types are defined by using the following range of minimum and maximum parameters:spreading width, dosage and vehicle speed ranges. The maximum spreading width might differ from those ofTable 1a depending on the used thawing material.

The dosages and quantity given for the test material as defined in clause 5 (NaCl).

Table 1a Spreader types: requirements for solid thawing media

Type Spreadingwidth

(m)

Spreadingdosage

(g/m)

Vehicle speed

(km/h)

maximumquantity

(kg/min)

A 1 6 5 30 5 40 120

B 3 8 5 30 5 60 240

C 3 12 5 30 5 60 300

Table 2b Sprayer types: requirements for liquid thawing media

Type Spraying width

(m)

Widthstep

(m)

Sprayingdosage

(g/m)

Vehicle speed

(km/h)

maximumquantity

(kg/min)

A 2 6 1 10 40 5 40 160

B1 3.5 10.5 3.5 10 35 5 80 490

B2 3.5 10.5 3.5 10 70 5 80 735*

C1 4 12 1 10 35 5 80 490

C2 4 12 1 10 70 5 80 735**

Note: B2*: maximum quantity is calculated with 10.5m with 70 g/m2at 60 km/h

C2**: maximum quantity is calculated with 12m with 70 g/m2at 52.5 km/h


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5 Test material

Table 2.1 - Characteristics of the test material Coarse salt

Material Coarse salt

Sodium chloride NaCl content (%) 98,5

humidity (%) < 0,3

anti-caking agent Yes 70 100 mg/kg

Particle size [mm] Parts by weight [%]

> 5 0 1

3.15 5.00 10 20

1.6 - 3.15 30 50

0.8 1.6 20 40

0.16 0.8 4 18

< 0.16 2 6

SeeAnnex B(Declaration of Rieber).

Table 2.2 - Characteristics of the test material Vacuum salt

Material Vacuum salt

Sodium chloride NaCl content (%) 99,5

Humidity (%) 1 - 3 / < 1

anti-caking agent Yes 40 90 mg/kg

Particle size [mm] Parts by weight [%]

>0.8 < 3.15 < 5

< 0.8 > 95

< 0.16 < 8

SeeAnnex C(Declaration of Akzo Nobel).


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The characteristics of the delivered test material shall be guaranteed and verified by the salt supplier Anofficial certificate of material delivered by material supplier shall be attached to the test report.

The de-icing material shall be stored protected from atmospheric moisture agent, in order to keep the originalcharacteristic during storage period.

The concentration of sodium chloride in the brine for pre-wetting or liquid spraying shall be between 22 % and23 % by weight. This analysis has to be done prior each test.

The measured results must be corrected according to the real NaCl content in the spreading material.

6 Certifi cation procedure

6.1 Principle of qualification test procedure

The qualification procedure of the spreaders includes two tests types, one static and one dynamic.

The static test enables to check the right quantity of material, it is realised without moving the spreader. Thedynamic test enables to check the quality of salt spreading pattern, it is realised driving the spreader vehicleduring spreading operation on a measure area.

According to the type of spreader tested, the qualification procedure sets the functioning parameters of themachine. These spreading parameters are different for the static and dynamic tests.

A spreader type must be qualified according to the static test before proceeding with the dynamic test.

Each spreader type, in order to be qualified, has to meet the requirements of the two tests (static anddynamic).

During a qualification, it is only allowed to change the settings of spreading width, dosage, symmetry,simulated speed, pre-wet on/off. In case of changing other parameters the whole test procedure has to berestarted.

Pre-tests

It is allowed to make pre-tests in order to be able to choose and test different settings. These tests will not betaken as qualification tests. The manufacturer has to declare clearly after the pre-tests that he wants to startwith the qualification test procedure. Then only those test runs after this declaration will count for officialqualification and the qualification test requirements become valid.

6.2 Identification and requirements on spreader types

A spreader type includes a spreader and a control box. The spreader and the control box have to be identifiedin the manufacturers production (for instance: model number), and shall respect the actual Europeanstandards.

The modification of the components influencing the spreading performances defined in Annex A involves thedefinition of a new machine model, a new procedure of qualification shall be realised for this new model.


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Table 3: required test related to spreader types

Required test with

Spreader type Not pre-wetted media Pre-wetted media Liquid media

For not pre-wetted media X

For pre-wetted media X X

For not pre-wetted, pre-wetted and liquid media

X X X

For liquid media X

6.3 Procedure of the static test

The static test consists to qualify, with weighing, the right quantity of test material delivered by the conveyingsystem. It is realised without moving the spreader/sprayer, consequently vehicle speeds have to be simulatedby its control box (EN 15597-1 standard).

For the spreaders/sprayers having an auxiliary engine, the manufacturers advices shall berespected;

for the spreaders/sprayers driven by the vehicle hydraulics, the EN 15431 standard will be applied(respect of the engine nominal speed);

for the spreaders/sprayers driven by the pump mounted on wheel, an independent system will haveto ensure the pump rotation at the speed needed by the test;

for the spreaders/sprayers driven by the pump flanged on a vehicle wheel, an independent systemwill have to ensure the pump rotation needed by the test, applying a theoretical diameter of thevehicle tyre of 1m.

For the machines working with pre-wetted salt, the tests shall be done collecting two media separately(disconnection of injection pipes of the brine maintaining the same flow conditions as during the dynamic test).

For machines working with liquid the test shall be done by collecting liquid of the spraying devices (e.g.nozzles) related to the spraying width.

The requirements on the methods and equipment are described in 6.3.2.

6.3.1 Descript ion of the static qualif ication test per spreader/sprayer type

The following table shows the tests series which have to be realised for each spreader/sprayers type withdifferent settings in order to qualify a spreader/sprayer type with the test material.


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Table 3a Spreading settings of type A spreader types for solid thawing media

No. Dosage

(g/m)

Spreading width

(m)

Spreading speed

(km/h)

Theoretical

delivery (kg/min)

1 15 3 20 15

2 10 6 20 20

3 20 3 40 40

Table 3b Spreading settings of type B spreader types for solid thawing media

Num Dosage

(g/m)

Spreading width(m)

Spreading speed(km/h)

Theoreticaldelivery (kg/min)

1 20 4 20 272 10 6 40 40

3 20 8 60 160

Table 3c Spreading settings of type C Spreader types for solid thawing media

Num Dosage

(g/m)

Spreading width(m)

Spreading speed(km/h)


1 10 6 30 30

2 30 8 40 160

3 20 12 60 240

Table 3d Spraying settings of type A sprayer types for liquid thawing media

No. Dosage

(g/m)

Spraying width(m)

Spraying speed(km/h)


1 20 3 15 15

2 40 3 20 40

3 20 6 40 80

Table 3e Spraying settings of type B1 sprayer types for liquid thawing media

No. Dosage

(g/m)

Spraying width(m)



1* 20 3.5 20 23.3

2 40 7 30 140

3 30 10.5 60 315


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Table 3f Spraying settings of type B2 sprayer types for liquid thawing media

No. Dosage

(g/m)

Spraying width

(m)

Spraying speed

(km/h)

Theoretical

delivery (kg/min)

1* 20 3.5 20 23.3

2 70 7 30 245

3 50 10.5 60 525

*Test No. 1 needs not to be repeated of one and the same sprayer is tested as Type B1 & B2 without anychanges in settings and parameters.

Table 3g Spraying settings of type C1 sprayer types for liquid thawing media

No. Dosage

(g/m)

Spraying width(m)



1* 20 4 20 26.7

2 40 8 30 160

3 30 12 60 360

Table 3h Spraying settings of type C2 sprayer types for liquid thawing media

No. Dosage(g/m)

Spraying width(m) Spraying speed(km/h) Theoreticaldelivery (kg/min)

1* 20 4 20 26.7

2 70 8 30 280

3 50 12 60 600

*Test No. 1 needs not to be repeated of one and the same sprayer is tested as Type C1 & C2 without anychanges in settings and parameters.

For spreader types with option spreading pre-wetted salt the test must be conducted with dry salt and pre-wetted salt. The tests with pre-wetted salt will be realized with a standard ratio of 30 % liquid and 70% solid,respecting the standard EN 15597-1.

6.3.2 Method of the static test

6.3.2.1 Test condi tions

The static tests shall be realised indoor ;

the air temperature shall be between 5C and 30C. The air temperature shall be indicated in the testreport;


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the test will start when all the conditions of the hydraulic circuit advised by the manufacturer have beenrespected;

the static test shall be done with the hopper and/or brine tanks of the spreader loaded > 1/3.

6.3.2.2 Spreader types for solid thawing media without pre-wetted salt only

The test is realised with the spreading disc tilted up not in operation;

the test is made on a simulated spreading length of 200 m;

the collecting time useful for the test is calculated according to this spreading length of 200 m and thesimulated speed chosen;

In order to ensure a stable and continuous flow the measurement shall start 5 sec after starting the

spreading function, the spreading function shall be stopped at least 5 sec after stopping of themeasurement.

The precision of the weighing system shall be max. 0.3 % of the calculated amount of materialdelivered during each static test

The frequency of measure of the weighing system shall be 10 Hz

6.3.2.3 Spreader types for solid thawing media with pre-wetted salt

During the tests, the quantities of dry salt and brine will have to be measured separately. But during allthe tests, the solid and liquid components shall be in operation simultaneously.

the measure on dry salt follows the method previously described;

the measure of brine follow the same system for dry salt;

the brine injection pipes will be disconnected from their usual place and connected on the measuringequipment;

all instructions will be taken to create the weighing system of the brine, in order not to disturb the originalflowing conditions.

6.3.2.4 Sprayer types for liquid thawing media

For the test the spraying liquid is collected from all spraying devices (nozzles or disc) related to thespraying width at one time.

the test is made on a simulated spraying length of 200 m;

the collecting time useful for the test is calculated according to this spraying length of 200 m and thesimulated speed chosen;

In order to ensure a stable and continuous flow the measurement shall start 10 sec after starting thespraying function, the spraying function shall be stopped at least 10 sec after stopping of the

measurement.


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The precision of the weighing system shall be max. 0.3 % of the calculated amount of materialdelivered during each static test

The frequency of measure of the weighing system shall be 10 Hz

6.3.3 Requirements on performance

Any spreader/sprayer tested following the conditions of the static test, shall fulfil the following tolerances:

The max. difference between the measured delivery and the theoretical delivery of the test will have to beless than 6 %;

6.3.4 Qualification requirements

Each test will be done 2 times consequently, if one of the two results does not meet the requirements, it will bepossible to perform a third test.

If the third test does not meet the requirements, the machine is not qualified.

The results of both positively passed tests must be given in the test report

6.4 Dynamic test procedure

6.4.1 Test parameters

In the following table the parameters applicable for the test are shown:

Table 4a Test parameters for spreaders with non-pre-wetted thawing media

Spreadertype

Dosage(g/m)

Spreadingwidth (m)

realSpreading

vehiclespeed(km/h)

SimulatedSpreading

vehiclespeed(km/h)

Theoreticalquantity(kg/min)

spreadingtrack

asymmetry

left(m)

right(m)

A 30 3 10 10 15 2 1

B 30 4 10 20 40 2 2

C 30 6 10 30 90 4 2


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Table 4b Test parameters fo r spreaders wi th pre-wetted thawing media

Spreader

type

Dosage

(g/m)

Spreading

width (m)

Real

Spreadingvehiclespeed(km/h)

Simulated

Spreadingvehiclespeed(km/h)

Theoretical

quantity(kg/min)

spreading

trackasymmetry

left(m)

right(m)

A 10 6 10 30 30 4 2

30 3 10 10 15 2 1

B 15 8 20 40 80 6 2

30 4 10 20 40 2 2

C 10 6 10 30 30 4 2

15 8 20 40 80 6 2

20 12 20 50 200 9 3

C** 10 6 10 30 30 4 2

15 8 20 40 80 6 220 12 20 50 200 6 6

Table 4c Test parameters for sprayer with liquid thawing media

Sprayertype

TestNo.

Dosage(g/m)

Sprayingwidth (m)

RealSprayingvehiclespeed(km/h)

SimulatedSprayingvehiclespeed(km/h)

Theoreticalquantity(kg/min)

sprayingtrack

asymmetry

left(m)

right(m)

A 1 10 6 20 30 30 4 2

2 30 3 10 10 15 2 1

B1 1* 15 7 20 40 70 5.25 1.75

2 30 3.5 20 20 35 1.75 1.75

3 30 10.5 20 20 105 5.25 5.25

B2 1* 15 7 20 40 70 5.25 1.75

2 70 3.5 20 20 81.5 1.75 1.75

3 50 10.5 20 20 175 5.25 5.25

C1 1* 15 8 20 40 80 6 2

2 30 4 20 20 40 2 2

3 30 12 20 20 130 6 6

C2 1* 15 8 20 40 80 6 2

2 70 4 20 20 93 2 2

3 50 12 20 20 200 6 6

*Test No. 1 needs not to be repeated if one and the same sprayer is tested as Type B1 & B2 or C1 & C2without any changes in settings and parameters.

For spreader types with option spreading pre-wetted salt the test must be conducted with dry salt and pre-wetted salt. The tests with pre-wetted salt will be realized with a standard ratio of 30 % liquid and 70% solid,respecting the standard EN 15597-1.

When each dynamic test is finished the hopper and/or tank shall be loaded more than 1/3.


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The dynamic test shall be done with symmetric and asymmetric spreading/spraying pattern as described inthe Tables 4a, 4band 4c.

6.4.2 Dynamic test method

The test shall be done indoor on a test area surface simulating an asphalted road.

The test area must be flat with a slope less than 0.5% determined over its overall dimensions. No obstaclesmust be present in test area. Differences in height between two collateral panels must not exceed 3 mm.Panels shall be laid without gaps exceeding 3 mm.

A test area of minimum 17,5 m length must be available. The test area includes a collecting area having alength of 2,5 m and a width identical to maximum tested working width plus an outer stripe with a width of 1 mat each lateral side. In front and after the test area there must be a driving area in which the vehicle driveswith same constant speed as through the measurement area. In front and behind the collection area theremust be sufficient area for acceleration and deceleration

Figure 1: Test area for spreaders and sprayers except sprayer type B1 and B2


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Figure 2: Test area for sprayer types B1 and B2 (spraying width 3.5 m central)

Figure 3: Test area for sprayer types B1 and B2 (spraying width 7 m left)


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Figure 4: Test area for sprayer types B1 and B2 (spraying width 10.5 m central)

The passage for the truck with spreader/sprayer has to be 3m wide, to enable the vehicle to drive not in acentral position related to the measuring area. A maximum deviation respecting the central position of 100mm must be ensured otherwise the test run has to be repeated.

Real vehicle speed as given in Tables 4a, 4b and 4c must not deviate by 15 % otherwise the test run has tobe repeated.

Two barriers with a height not less than 30 cm and a length of 2,5 m shall be provided on each side from thecollecting area.

During each test the following conditions shall be observed for test operations and indicated in the test report:

the air temperature shall be between 5C and 30 C;

air humidity.

6.4.2.1 Test area condit ions

The test area, acceleration area and deceleration area shall be cleaned and moistened before each test run.

Cleaning of the test area with flushing water

Cleaning of the acceleration and deceleration areas: visibly clean


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6.4.2.2 Detailed descript ion of the test method

The system used to verify the salt quantity shall be able to determine at least the 95% of the salt present onthe measurement areas and not more than 100 %. The 95 % recovery shall be determined of the pure contentof the sample.

The recovery rate of the measuring system shall be verified for each different kind of spreading material priorto each test session. See Annex D.

6.4.2.3 Qualification requirements of the dynamic test with solid, pre-wetted and liquid thawing media

The spreading/spraying pattern shall respect the following tolerances with specified kinds of saltand/or liquid:

Table 7 Spreading/spraying tolerances on dynamic test w ith solid, prewetted and liquid thawingmaterial

The effective average dosage in outer strips together = 60% ofthe effective dosage.

6.4.2.4 Qualification test requirements for dynamic test

The mathematic average of the effective average dosage of two qualification test runs shall meet therequirements to pass the test. A third test is possible if the mathematic average does not meet therequirements. See table 7 of chapter 6.4.2.3

If three qualification test runs are done the manufacturer decides which two out of these three test runs areused for calculation of the mathematic average.

The effective recovery rate of a qualification test run must be at least 75.0 % otherwise the qualification testrun has to be repeated. If the effective recovery rate is at least 90.0 % the qualification test run is valid. If theeffective recovery rate exceeds 75.0 % but is less than 90% the manufacturer decides whether thequalification test run is repeated or to declare to be valid.


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Annex A

Components which have an inf luence on the spreading/sprayingparameters

Type of spreader with solid, pre-wetted and liquid thawing media

Component / Setting / Modification Static test required Dynamic testrequired

Conveyer + driving system (dimensions,design, speed range)

X

Distribution system: disc, chute, nozzle,(design, dimensions and thawing mediacontact material)

X X

Brine conveying system (pump size and type,pipe dimensions)

X

Spreading/spraying parameters: asymmetricsetting, rotation speed and direction of disc

X X

If one of these components is changed on the spreader/sprayer, a new procedure of qualification shall berealised.

A spare parts catalogue concerning the above components shall be attached to the technical certificate.


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Annex B

Test material - Certificate


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Annex C

Test material Certificate

Product Specification

ROAD SALT

ISO 9001/14001 certified QM system

SPECIFICATION ITEM UNIT LIMIT METHOD OF ANALYSIS

Sodium chloride

Moisture (H2O)

%

%

99.5

3

SMA 775.01

SMA 280.15

HEAVY METALS

Total (Cr, Cd, Cu, Pb, Hg, Ni, As, Zn)mg/kg 5 SMA 792.02

ADDITIVES

Anti-caking agent as Fe(CN)6mg/kg 40

90

SMA 251.01

GRAIN SIZE DISTRIBUTION

< 0.16 mm

< 0.8 mm

>0.8 < 3.15

< 8 %

>95 %

< 5 %

SMA 721.04

REMARKS

Specification is based on total ship volume. Individual samples might deviate from specification.

CAS registration number: 7647-14-5

EINECS identif icatio n number: 231-598-3

Documents

EUnited Test Solidliquid 2014-04-30 E