ISO 3759 pdf download

ISO 3759 pdf download

ISO 3759 pdf download Textiles — Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change
1 Scope
This International Standard specifies a method for the preparation, marking and measuring of textile fabrics, garments and fabric assemblies for use in tests for assessing dimensional change after a specified treatment, e.g. washing, dry cleaning, soaking in water and steaming, following the procedures in ISO 3005, ISO 7771, ISO 6330, ISO 3175 or ISO 15797. This International Standard is applicable to woven and knitted fabrics, and made-up textile articles. The procedures are not applicable to certain upholstery coverings.
2 Normative references
The following referenced documents are indispensable for the application 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 139, Textiles — Standard atmospheres for conditioning and testing
ISO 3005, Textiles — Determination of dimensional change of fabrics induced by free-steam
ISO 3175 (all parts), Textiles — Professional care, drycleaning and wetcleaning of fabrics and garments
ISO 6330, Textiles — Domestic washing and drying procedures for textile testing
ISO 7771, Textiles — Determination of dimensional changes of fabrics induced by cold-water immersion
ISO 15797, Textiles — Industrial washing and finishing procedures for testing of workwear
ISO 22198, Textiles — Fabrics — Determination of width and length
3 Principle
The specimens are selected to represent the bulk of the textile under examination. Pairs of reference points are marked on each specimen, and the distance between each pair of reference points is measured before and after specified treatments.
4 Apparatus
4.1 Ruler or flexible steel ruler or glass-fibre tape, marked in millimetres and longer than the greatest dimension being measured.
The accuracy of glass-fibre tapes should be verified at least every 6 months.
4.2 Equipment for marking precise reference points, such as:
a) indelible ink, for use, if necessary, with a template with a measuring grid;
b) fine threads of contrasting colour, sewn into the fabric;
c) heated wire for making small holes in thermoplastics materials;
d) staples (suitable for tests during which specimens are not agitated, e.g. for soaking in water).
4.3 Smooth, flat surface, large enough to lay out complete articles.
4.4 Workroom stands, to support garments.
5 Atmospheres for conditioning and testing
The atmospheres used for conditioning and testing shall be in accordance with ISO 139.
6 Procedure for fabric specimens
6.1 Selection
For fabric piece goods, select specimens representative of the sample. Do not cut specimens from within 1 m of either end of the roll or piece good. Specimens should be taken from areas with different lengthwise and widthwise yarns. Identify the length direction of the specimens before cutting them out of the sample.
Circular knitted fabrics produced on a body-width machine shall be used in their tubular form. Circular knit, seamless, or knit-to-wear fabric should be tested as a garment.

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