ISO/DIS 7617-3.2:2026(en)

ISO/TC 45/SC 4

Secretariat: DSM

Date: 2026-01-27

Plastics-coated fabrics for upholstery — Part 3: Specification for polyurethane-coated fabrics

© ISO 2026

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Contents

Foreword iv

1 Scope 1

2 Normative references 1

3 Terms and definitions 2

4 Technical requirements 2

4.1 Physical requirements 2

4.2 Colour fastness requirements 2

4.3 Visual examination 2

4.4 Colour, grain and finish 2

4.5 Width of material 2

4.6 Thickness 2

4.7 Fire behaviour 2

5 Sampling 2

6 Testing and conformance 3

7 Marking 4

8 Test report 4

Annex A (normative) Method of selecting test specimens 6

Annex B (normative) Determination of resistance to print wear 8

B.1 Principle 8

B.2 Apparatus 8

B.3 Test specimens 8

B.4 Procedure 8

B.5 Expression of results 9

Foreword

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

The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of ISO document should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

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This document was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 4, Products (other than hoses).

This second edition cancels and replaces the first edition (ISO 7617-3:1988), which has been technically revised.

The main changes are as follows:

— revision of property indication in Tables 1 and 2;

— revision of test conditions of ageing in Table 1;

— addition of test method and property requirements of abrasion resistance in Table 1;

— addition of test method and property requirements of colour fastness to rubbing with soapy water in Table 1.

A list of all parts in the ISO 7617 series can be found on the ISO website.

ISO 7617-3 Plastics-coated fabrics for upholstery — Part 3: Specification for polyurethane-coated fabrics

This document specifies requirements for polyurethane-coated fabrics for upholstered furniture, manufactured by applying to one side of a woven, knitted or unwoven textile fabric a substantially continuous coating of a suitable polyurethane composition.

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 105‑A01, Textiles — Tests for colour fastness — Part A01: General principles of testing

ISO 105‑A02, Textiles — Tests for colour fastness — Part A02: Grey scale for assessing change in colour

ISO 105‑B02, Textiles — Tests for colour fastness — Part B02: Colour fastness to artificial light: Xenon arc fading lamp test

ISO 105‑C10:2006, Textiles — Tests for colour fastness — Part C10: Colour fastness to washing with soap or soap and soda

ISO 105‑F09, Textiles — Tests for colour fastness — Part F09: Specification for cotton rubbing cloth

ISO 105‑X12, Textiles — Tests for colour fastness — Part X12: Colour fastness to rubbing

ISO 1419:2019, Rubber- or plastics-coated fabrics — Accelerated-ageing tests

ISO 1421:2016, Rubber- or plastics-coated fabrics — Determination of tensile strength and elongation at break

ISO 2231:1989, Rubber- or plastics-coated fabrics — Standard atmospheres for conditioning and testing

ISO 2286‑1, Rubber- or plastics-coated fabrics — Determination of roll characteristics — Part 1: Methods for determination of length, width and net mass

ISO 2286‑2, Rubber- or plastics-coated fabrics — Determination of roll characteristics — Part 2: Methods for determination of total mass per unit area, mass per unit area of coating and mass per unit area of substrate

ISO 2286‑3, Rubber- or plastics-coated fabrics — Determination of roll characteristics — Part 3: Method for determination of thickness

ISO 2411, Rubber- or plastics-coated fabrics — Determination of coating adhesion

ISO 4674‑1:2016, Rubber- or plastics-coated fabrics — Determination of tear resistance — Part 1: Constant rate of tear methods

ISO 5470‑2:2021, Rubber- or plastics-coated fabrics — Determination of abrasion resistance — Part 2: Martindale abrader

ISO 5978, Rubber- or plastics-coated fabrics — Determination of blocking resistance

ISO 5981:2007, Rubber- or plastics-coated fabrics — Determination of resistance to combined shear flexing and rubbing

ISO 7854:1995, Rubber- or plastics-coated fabrics — Determination of resistance to damage by flexing

No terms and definitions are listed in this document.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https://www.iso.org/obp

— IEC Electropedia: available at https://www.electropedia.org/

The material shall conform to the applicable requirements of Table 1.

The material shall conform to the requirements of Table 2.

The coating of the material shall be uniformly applied and shall be free from visible flaws and cracks. When viewed under a magnification of X 10, the coating of the material shall be substantially free from pin holes. The base fabric, unless coated with an unpigmented coating, shall not be visible when viewed from the coated side.

The colour, grain and finish of the material, whether in single colour or multicolour effects, shall be agreed between the purchaser and the supplier.

Colours shall be compared under the conditions stipulated in ISO 105-A01.

The usable width of material shall be measured in accordance with ISO 2286-1 and shall be as agreed between the purchaser and the supplier.

The thickness of the coated fabric shall be measured in accordance with ISO 2286‑3 under a pressure of 2 kPa. The test results are to be reported.

It is not possible to specify general performance requirements for fire behaviour. Finished items, which are made up of coated fabrics and include various fillings and structures, shall meet risk requirements. These risks depend directly on the place and environment of use. However, it is strongly recommended that manufacturers of coated fabrics give the users information regarding fire behaviour so that they can manufacture furnishings responding as well as possible to safety regulation requirements.

If individual rolls can be identified with manufacturing batches, at least one sample shall be taken from each batch in the consignment. Each sample shall be regarded as being representative of its source, and suitable measures shall be taken to preserve the identify between the samples and batch numbers.

If individual rolls cannot be identified in this way, the number of samples to be regarded as representative of the bulk shall be fixed by agreement between the purchaser and the supplier. Such samples shall be drawn at random.

Tests shall be conducted on a set of specimens selected from each sample.

The method of selecting specimens from each sample shall be in accordance with the requirements of Annex A. The determination of the resistance of print wear shall be in accordance with the procedure described in Annex°B. If the specimens, after testing, conform to the appropriate requirements given in Table 1 and Table 2, the bulk of the coated fabric which the sample represents shall be deemed to conform to the requirements of this document.

If any of the specimens tested do not conform to any of the appropriate requirements given in Table 1 and Table 2, the tests which the specimens have failed shall be repeated twice. For this purpose, two further samples shall be taken from the same source as the original sample, and test specimens shall be taken from each sample so that duplicate tests can be conducted. If all the re-test results conform to the appropriate requirements of Table 1 and Table 2, then the bulk represented by the samples from which the specimens for re-testing were taken, together with the original samples, shall be deemed to conform to the requirements of this document. If any of the results of the re-tests do not conform to the applicable requirements of Table 1 or Table 2, the bulk represented by those samples shall be deemed not to conform to the requirements of this document.

Table 1 — Physical requirements

Table 2 — Surface properties

Each roll of fabric shall have a label attached bearing the following information:

a) either the name or distinctive mark of the manufacturer and an identification reference for that material;

b) the batch number;

c) the colour;

d) the length;

e) the usable width;

f) the reference number of this document (including its year of publication).

The test report shall include at least the following:

a) a reference to this document, including its year of publication (i.e. ISO 7617‑3:202X);

b) all details necessary for complete identification of the coated fabric tested;

d) all details necessary for identification of the testing authority;

e) an indication of conformance or non-conformance with this document, and in the latter case a clear indication of the property or properties which led to non-conformance;

f) details of the results obtained for the tests specified in Clause 6, Tables 1 and 2;

g) any observations resulting from the examinations specified in 4.3 and 4.4;

h) the usable width of the coated fabric in the rolls, as determined in 4.5;

i) the thickness of the coated fabric as determined in 4.6;

j) details of any deviations from the specified procedures, as well as any additional observations which may have a bearing on the results.

1. 
   (normative)
   
   Method of selecting test specimens

The specimens for testing shall be selected from the sample in accordance with the scheme illustrated in Figure A.1, which shows the positions from which the specimens for each type of test shall be taken, except that the specimens required for testing colour fastness to light and those required for heat ageing tests shall be selected from any suitable portion of the sample. In the case of multicolour samples, the specimen shall, if possible, include all colours. If it is not possible to include all colours, sufficient specimens shall be taken to enable all colours to be tested.

Key

M mass determinations

Tr tear strength (across longitudinal threads)

Tr tear strength (across transverse threads)

Tn breaking load (longitudinal)

Tn breaking load (transverse)

Ad coating adhesion

Fl resistance to flex cracking (longitudinal direction)

Fl resistance to flex cracking (transverse direction) heat ageing (any convenient location)

Rb colour fastness to rubbing (wet)

Ad.Ag adhesion after ageing

Fl.Ag flexing after ageing

B blocking resistance

P print wear

Th thickness determination

Figure A.1 — Scheme for selection of test specimens

1. 
   (normative)
   
   Determination of resistance to print wear
   1. Principle

A specimen is subjected to 500 cycles of simple harmonic abrasion using a known abradant under a known pressure. It is then assessed for colour difference with an unabraded portion using the grey scale for assessing change in colour.

• 1. Apparatus

The apparatus shall be as described in ISO 105-X12 with the following modifications:

a) the weight piece applied to the rubbing finger, or peg, shall be such that a total mass of 1 500 g is brought to bear on the glass plate;

b) use a cotton fabric conforming to ISO 105-F09 as the abradant;

c) use grey scale for assessing change in colour (see ISO 105-A02).

• 1. Test specimens

Cut out two specimens of coated fabric, each 150 mm × 50 mm, one with its length parallel to the longitudinal direction of the sample and the other with its length parallel to the transverse direction. Also cut out two circular pieces of the bleached cotton fabric each 30 mm in diameter, avoiding lumps and neps.

NOTE Initially, four circular pieces of abradant cotton fabric can be cut out and a double thickness of cotton cloth mounted on the peg, so that only the outermost layer coming into contact with the coated fabric specimen shall be renewed at each test.

• 1. Procedure

Condition the test specimens and cotton fabric at least 24 h in accordance with ISO 2231:1989, 6.1, climate B and conditioning method 1.

Using the clamps, mount the test specimen securely on the bed of the machine with the coated side uppermost and under sufficient tension to hold the specimen flat.

Wipe the coated surface of the specimen with a clean, dry cloth to remove dust before testing.

Secure the conditioned bleached cotton fabric to the base of the brass peg, making sure that the face of the sateen is presented to the specimen under test, i.e. with the ribbed side of the bleached cotton fabric in contact with the brass peg. Lower the peg on to the specimen and run the machine for 500 cycles. Repeat the procedure using the second specimen and bleached cotton fabric.

Assess the degree of surface print wear on the specimens, using the grey scale as comparator in accordance with ISO 105-A02. If one specimen exhibits greater print wear than the other, the worse result of the two shall be taken as the test result.

• 1. Expression of results

Report the change in colour between the abraded and unabraded portions of the test specimen by reference to the grey scale for assessing change in colour.