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है”ह”ह

IS 6350 (1985): Shoe cream [CHD 23: Lac, Lac Products andPolishes]

IS: 6350 -1985 (Reaffirmed 2003)

Indian Standard

SPECIFICATION FOR SHOE CREAM

(First Revision)

First Reprint MARCH 2004

UDC 665-92-68531

© Copyright 1985

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Gr 3

August 1985

IS: 6350 - 1985

Indian Standard

SPECIFICATION FOR SHOE CREAM

(First Revision)

Polishes Sectional Committee, CDC 48

Chairman Representing SHRI T. G. BOBADE Ministry of Defence (DGI)

Members SHRI O. P. GUPTA (Alternate to Shri T. G. Bobade) SHRI K. G. ANAKD DEV Central Leather Research Institute (CSIR),

Madras CHEMIST & METALLURGIST, Research Designs and Standards Organization, SOUTHERN' RAILWAY, MADRAS Lucknow ASSISTANT CHEMIST & META LLURGIST, DLW, VARANASI (Alternate) SHRI D. DASGUPTA Reckitt & Colman of India Ltd, Calcutta

SHRI K. N. KHASTGIR (Alternate) DR A. GHOSH Indian Explosives Ltd, Rishra SHRI P. K- GHOSH Bata India Ltd, Batanagar

SHRI P. K. BHATTACHARJEE (Alternate) DR S. K. KAPOOR Development Commissioner (Small Scale In-

dustries), New Delhi SHRI R. D. KAWATRA Directorate General of Technical Development,

New Delhi SHRI P. MAJUMDER National Test House, Calcutta

SHRI P. K. CHAKRABORTY (Alternate) SHRI G. NATARAJAN The Waxpol Industries Ltd, Calcutta

SHRI R. P. GUPTA (Alternate) DR RAJINDER LAL Amar Industries, New Delhi DR R. K. BHATNAGAR (Alternate I) DR ANITA (Alternate II) SHRI SHYAM GAMBHIR Billy Boot Polish Co, Delhi

SHRI B. C. PANDE (Alternate) SHRI SATISH CHANDER, Director General, ISI {Ex-officio Member)

Director (Chem) Secretary

SHRI M. S. DATTA Deputy Director (Chem), ISI

© Copyright 1985

BUREAU OF INDIAN STANDARDS’ This publication is protected under the Indian Copyright Act (XIV of 1957) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act

.

IS : 6350 - 1985

Indian Standard

SPECIFICATION FOR SHOE CREAM

(First Revision)

0. FOREWORD

0.1 This Indian Standard ( First Revision ) was adopted by the Indian Standards Institution on 27 February 1985, after the draft finalized by the Polishes Sectional Committee had been approved by the Chemical Division Council.

0.2 Shoe cream is particularly suitable for coloured footwear. This cream is also used along with wax/solvent type shoe polish for polishing shoe for better shine effect. Shoe creams are marketed in different colours but the white (or neutral) shoe cream is much more in popular demand than the creams of all the other colours put together. The advantage with shoe cream is that it can be prepared of any consistency as desired by the consumer. The only care to be taken is that it does not become too soft or liquid in the summer months.

0.3 This standard was originally published in 1971. In this revision the requirement of flash point of organic solvent, procedure for determination of pH of water extract and packing clause have been modified.

0.4 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accord-ance with IS : 2-1960*. The number of significant places retained in the rounded off value should be the same as that of specified value in this standard.

1. SCOPE

1.1 This standard prescribes the requirements and methods of sampling and test for wax-emulsion type shoe cream suitable for general application to leather footwear.

*Rules for rounding off numerical values {revised).

2

IS: 6350 - 1985

2. TERMINOLOGY

2.1 For the purpose of this standard, the definitions given in IS: 8171-1984* shall apply.

3. REQUIREMENTS

3.1 The shoe cream shall consist of waxes, organic solvent, water, soap or neutral emulsifier with or without colouring matter. It shall not have any deleterious effect on leather.

3.2 Odour — The cream shall not have any disagreeable odour.

3.3 Colour — The shoe cream may be manufactured in neutral or any other colour nearly matching the colour of the leather footwear as agreed to between the purchaser and the manufacturer.

3.4 Consistency and Resistance to Heat and Cold

3.4.1The shoe cream shall be a smooth, homogeneous cream-like pasty mass. When packed in collapsible tubes, the cream shall come out of the open tuble when gently pressed, without breaking. It shall also be free from gritty material when tested in accordance with 3.4.1.1.

3.4.1.1 Take a small amount of cream between fingers and rub. Presence of lumps or granules shall not be felt. Take two clean, dry microscopic slips. Apply a uniform thin coat of the cream on the surface of one. Immediately place the other slip on it so that the wet polish layer is sandwiched. Pressing the two slips gently with fingers, cause them to move relative to each other a few rounds. Separate the slips by sliding off. There shall not be any streaks in the polish coat on either slip.

3.4.2 The shoe cream shall pass the test for resistance to heat and cold when tested as prescribed in A-l.

3.5 Polishing Characteristics

3.5.1 When applied by means of a brush or a clean cloth to a smooth upper leather surface, the cream shall spread easily and evenly and shall give with minimum of buffing a reasonably glossy surface free from any greasiness. In case an approved sample is available, polish a similar piece of leather and match the gloss obtained on the test sample with that of the approved sample.

3.5.2 The film of polish after spreading with the brush or the cloth shall satisfy the test prescribed in A-5.

•Glossary of terms relating to polishes and related materials (first revision).

3

IS 16350-1985

3.5.3 The cream shall remove the ingrained dirt from the polished surface.

3.6 The polish shall also comply with the requirements given in Table 1.

3.7 Stability in Storage — The shoe cream furnished under this specification shall retain the properties described in 3.1 to 3.6 for one year from the date of manufacture when stored in its original sealed containers under cover at room temperature (21 to 38°C).

4. PACKING AND MARKING

4.1 Packing — The shoe cream shall be supplied in wide-mouthed container or collapsible tubes, both having caps which can be easily closed or opened and which prevent evaporation of solvent and ingress of dirt.

4.2 The net mass of the material in each container shall preferably be 25 g, 50 g, or 100 g or as agreed to between the purchaser and the manufacturer.

4.3 The containers shall be packed in cartons and the cartons in cardboard or wooden boxes as agreed to between the purchaser and the manufacturer. Each carton shall be marked with batch number and month with year of manufacture. 4.4 Marking — The following information shall be clearly marked on the -outside of the container:

a) Manufacturer's name or its recognized trade-mark, if any; b) Net mass of the material when packed; c) The name of the material; and d) The colour of the shoe cream.

Note — Any other marking required under Weight and Measures (Package Commodities) Regulations, 1977 many be given.

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IS: 6350 - 1985

4.4.1 The product may also be marked with Standard mark.

4.4.2 The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made thereunder. The details of conditions under which the licence for the use of Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

5. TEST METHODS

5.1 Tests shall be carried out as prescribed in Appendix A and as indicated in the clauses under requirements.

5.2 Quality of Reagents — Unless specified otherwise, pure chemicalsand distilled water (see IS: 1070-1977*) shall be used in tests.

Note — 'Pure chemicals' shall mean chemicals that do not contain impurities which affect the results of analysis.

6. SAMPLING

6.1 Representative samples for test shall be drawn as prescribed in Appendix B.

A P P E N D I X A

(Clauses 3.4,2, 3.5.2 and 5.1 and Table 1)

METHODS OF TEST FOR SHOE CREAM

A-l. TEST FOR RESISTANCE TO HEAT AND COLD

A-l.l General — The test is carried out on the shoe cream in its original containers (glass bottles or collapsible tubes). One sample is maintained at 10 ± I°C and another sample at 45 ± 2°C for 2 hours.

A-1.2 Resistance to Heat — The material maintained at 45 ± 2°C shall pass the following requirements.

A-l.2.1 No disagreeable odour shall emit from the containers when opened.

A-l.2.2 No polish shall ooze out through the caps of collapsible tubes.

* Specification for water for general laboratory use (second revision).

5

IS: 6350 - 1985

A-l.2.3 No liquid shall separate from the cream and it shall not flow when the container is tilted. Separation of a few drops shall not be considered a failure if these are reabsorbed into the cream on cooling.

A-1.3 Resistance to Cold — The material kept at 10 ± 1°C shall pass the following requirements.

A-1.3.1 The material shall spread on leather without crumbling when applied with a brush.

A-l.3.2 No liquid shall separate.

A-2. DETERMINATION OF ASH

A-2.1 Procedure — Weigh accurately about 10 g of the shoe cream sample in a tared porcelain dish. Heat on a steam-bath till the bulk of the solvent is volatilized off and then in an air-oven at 110 to 120*G for about an hour. Finally ignite the residue in a muffle furnace and weigh after cooling. Repeat ignition and cooling until constant mass is obtained.

A-2.2 Calculation Ash, percent by mass =

where M1 = mass in g of ash, and M = mass in g of the test sample.

A-3. DETERMINATION OF pH OF WATER EXTRACT

A-3.1 Procedure — Add 15 g of the material to 100 ml of distilled water in a beaker. Heat with stirring till all the wax is melted. Allow to cool to a temperature of 27 ± 2°C. Separate the aqueous layer and determine its pH using a pH meter with a glass electrode in accordance with IS: 5741-1970*.

A-4. DETERMINATION OF THE FLASH POINT OF THE ORGANIC SOLVENT

A-4.1 Procedure — Take about 200 g of the shoe cream and distil it under reduced pressure so that all the volatile fractions are distilled over. Separate the organic solvent from water by a separatory funnel. Shake the solvent with fused calcium chloride or with anhydrous magnesium sulphate and filter. Determine the flash point of the solvent by the Method B prescribed in IS: 1448 [P: 20]-1982+

* Methods for determination of pH. +Methods of test for petroleum and its products: P: 20 Determination of flashpoint by Abel apparatus {first revision ).

6

IS: 6350 - 1985

A-5. TEST FOR DRYING

A-5.1 Procedure — Use leather upper piece of size 150 X 150 mm of the same colour as the-cream. The piece shall be smooth and matt finished (non-glossy) on the grain side. A 5 2 Clean the grain surface with a cloth or brush to remove any adhering dust particles. Apply the cream in a thin aim to the smooth grain surface using a rag or brush and allow to dry for 21/2 minutes.

A 5 2 1 Place the piece in one pan of a suitable physical balance and

counterpoise it with weights. Place an additional weight of 2.5 kg and press the polished surface with the thumb till the two pans of the balance are counterpoised. Keep the thumb in this position for one minute and then slowly release. No sign of stickness to the thumb shall be present. The thumb impression if produced shall be such as can be wiped out with a cloth or brush.

A P P E N D I X B

(Clause 6.1)

SAMPLING OF SHOE CREAM

B-l. GENERAL B-1.0 In drawing, preparing, storing and handling test samples, the following precautions and directions shall be observed. B-1.1 Samples shall be taken in a protected place not exposed to damp air, dust or soot.

B-1.2 The sampling instrument shall be clean and dry when used,

B-1.3 Precautions shall be taken to protect the samples, the material being sampled, the sampling instrument and the containers for samples from adventitious contamination. B-l 4 To draw a representative sample, vertical sections of the shoe cream at uniformly placed points shall be taken and mixed as thoroughly as possible by suitable means. B-1.5 The samples shall be placed in clean, dry and air-tight glass or other suitable containers, on which the material has no action. B-1.6 The sample containers shall be of such a size that they are almost completely filled by the sample.

7

IS: 6350 - 1985

B-1.7 Each sample container shall be sealed air-tight after filling and marked with full details of sampling, the date of sampling and the month and year of manufacture of the material.

B-1.8 Samples shall be stored in such a manner that the temperature of the material does not vary unduly from the normal temperature.

B-2. SCALE OF SAMPLING

B-2.0 Samples, to determine the conformity of a consignment of shoe cream to this specification, shall be selected so as to be representative of the consignment and for this purpose the consignment should be made up of homogeneous lots.

B-2.1 Lot — All the containers in a single consignment of the material drawn from the same batch of manufacture and belonging to the same size shall constitute a lot. If a consignment is declared or known to consist of different batches of manufacture or of different sizes of containers, the containers belonging to the same batch and size shall be grouped together and each such group shall constitute a separate lot.

B-2.1.1 Samples shall be tested for each lot for ascertaining the conformity of the material to the requirements of this specification.

B-2.2 The number (n) of containers to be chosen from the lot shall depend upon the size of the lot and shall be in accordance with col 1 and 2 of Table 2,

TABLE 2 NUMBERS OF CONTAINERS TO BE SELECTED FOR SAMPLING LOT SIZE NO. OF CONTAINERS

TO BE CHOSEN

N n

(1) (2) Up to 500 10 501 „ 1 000 15

1001 and above 20

B-2.2.1 In addition to the number of containers chosen in B-2.2, an additional number of containers shall be selected from each lot so as to obtain 400 g of the material for determination of the flash point of the organic solvent of the material.

B-2.3 These containers shall be chosen at random from the lot; in order to ensure the randomness of selection, some random number table as agreed to between the purchaser and supplier shall be used. For random selection procedures IS: 4905-1968* may be referred to.

•Methods for random sampling. 8

IS: 6350 - 1985

B-3. PREPARATION OF COMPOSITE TEST SAMPLES

B-3.1 For material supplied in bottles, withdraw sticks of material! by means of borer such as cork borer from several different points across the surface of the bottles selected according to B-2.2. For material supplied in collapsible tubes, press out sticks of material. The total quantity drawn from each bottle or tube shall be approximately 10 g.

B-3.2 Thoroughly mix, if necessary by heating below 45°C, with a mechanical stirrer all the portions of the material drawn from different containers so as to form a composite test sample weighing not less than 100 g.

B-4. NUMBER OF TESTS AND CRITERION FOR CONFORMITY

B-4.1 Flash point of the organic solvent shall be determined using the sample drawn from containers selected according to B-2.2.1.

B-4.2 Tests for the determination of other characteristics prescribed in this standard shall be conducted on the composite sample.

B-4.3 The lot shall be declared as conforming to the requirements of this specification if the test results as obtained under B-4.1 and B-4.2 satisfy corresponding requirements.

9

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