ISO 2313-2:2021 PDF

Name: ISO 2313-2:2021 — Textiles — Determination of the recovery from creasing of a folded specimen of fabric by measuring the angle of recovery — Part 2: Method of the vertically folded specimen
SKU: ISO 2313-2:2021
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Textiles — Determination of the recovery from creasing of a folded specimen of fabric by measuring the angle of recovery — Part 2: Method of the vertically folded specimen

Название (английский):

ISO 2313-2:2021

Textiles — Determination of the recovery from creasing of a folded specimen of fabric by measuring the angle of recovery — Part 2: Method of the vertically folded specimen

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 8
Дата публикации:: 21 мая 2021 г.
Издание:: ISO IS 2313 edition 1 version 1
ICS:: 59.080.30

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Описание (английский):

This document specifies a method for determining crease recovery angle of fabric specimen while placing it in such a way that the folded line is vertical to horizontal plane for a specified time after removal of creasing load. This document is applicable for all kinds of textile fabrics.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 2313-2:2021 - Textiles - Determination of the recovery from creasing of a folded specimen of fabric by measuring the angle of recovery - Part 2: Method of the vertically folded specimen - specifies a laboratory method to measure the crease recovery angle of fabrics when the folded line is made vertical after removal of a creasing load. The method applies to all kinds of textile fabrics and gives reproducible rapid and delay crease recovery values that indicate a fabric’s ability to recover from accidental creasing.

Key topics and technical requirements

Principle: A folded specimen is loaded for a specified time; after removal of the load the specimen is turned so the fold is vertical and the angle between limbs is measured.

Loading: A weight-piece applies 10.0 N ± 0.5 N over an area of 15 mm × 18 mm. Removal of load must be completed within 1 s.

Timing and measurement:

Rapid crease recovery angle: read at 15 s ± 1 s after load removal.
Delay crease recovery angle: read at 5 min ± 5 s after load removal.

Specimens:

At least 20 specimens unless agreed otherwise; half oriented in the warp/length direction and half transverse.
Take representative samples not less than 150 mm from the selvedge and avoid damaged areas.

Apparatus:

Loading device (weight-piece, pressure board with boss, specimen holder board and clips).
Instrument for measuring crease recovery angle (protractor with 0.5° resolution or an automatic image-acquisition tester described in Annex A).
Timer and handling aids (smooth-edge holder or rubber glove).

Atmosphere: Conditioning and testing atmosphere per ISO 139 (standard atmospheres).

Results: Mean values calculated and rounded to one decimal place; separate results for face-to-face and back-to-back folds, and for length (warp) and transverse (weft) directions.

Test report: Must reference ISO 2313-2:2021 and include sample ID, number of specimens, folded surface, crease direction, mean rapid/delay angles, deviations, and test date.

Applications and users

Useful for textile manufacturers, quality control laboratories, textile R&D, garment and upholstery producers, and standards bodies.

Practical applications:

Comparing fabric finishes, treatments, or blends for crease resistance.
Quality acceptance testing for apparel, workwear, home textiles and technical textiles where appearance after creasing matters.
Supporting product specifications, claims and supplier audits.

Related standards

ISO 2313 (series) - other parts of crease recovery testing (see ISO catalogue for the series).

ISO 139 - standard atmospheres for conditioning and testing (referenced for climate control).

Keywords: ISO 2313-2:2021, crease recovery angle, textiles, vertically folded specimen, fabric testing, crease recovery testing, ISO 139, automatic tester.

ISO 2313-2:2021 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

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