ISO 7768:2009 PDF

Name: ISO 7768:2009 — Textiles — Test method for assessing the smoothness appearance of fabrics after cleansing
SKU: ISO 7768:2009
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Textiles — Test method for assessing the smoothness appearance of fabrics after cleansing

Название (английский):

ISO 7768:2009

Textiles — Test method for assessing the smoothness appearance of fabrics after cleansing

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 12 мая 2009 г.
Издание:: ISO IS 7768 edition 3 version 1
ICS:: 59.080.30

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Описание (английский):

ISO 7768:2009 specifies a method for assessing the retention of the original smooth appearance, after one or several cleansing treatments, of the fabrics tested. This method has been developed for use primarily with Type B domestic washing machines, as defined in ISO 6330, in the cleansing process. However, it may be possible to use it with Type A machines, as defined in the same International Standard. This test method could be used for judging smoothness appearance after other cleansing processes.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 7768:2009 - Textiles: Test method for assessing the smoothness appearance of fabrics after cleansing specifies a standardized, visual test method to evaluate how well a fabric retains its original smooth appearance after one or more cleansing treatments. The method is designed primarily for use with Type B domestic washing machines (ISO 6330) but may also be applied with Type A machines or professional cleaning procedures (ISO 3175). The standard helps quantify “mussiness” and ironing effort by assigning an SA rating using three‑dimensional replicas.

Key topics and requirements

Scope: Assessment of retention of original smooth appearance after domestic or professional cleansing.

Test specimens: Prepare three specimens (38 cm × 38 cm), cut parallel to length, pinked to prevent fraying and marked for length direction.

Cleansing cycles: Treat specimens using agreed ISO 6330 (domestic) or ISO 3175 (professional) procedures. Optionally repeat up to four additional cycles (total five).

Conditioning: Condition specimens 4–24 hours per ISO 139; hang unfolded with length vertical.

Viewing and lighting: Darkened room with overhead lighting-two CW fluorescent lamps and a grey viewing board matched to No. 2 of the ISO 105‑A03 grey scale.

Replicas and ratings: Use three‑dimensional smoothness replicas (SA‑1 to SA‑5). Three independent observers rate each specimen by comparison to replicas; half-step ratings permitted (e.g., 3.5).

Result calculation: Average the nine observations (3 observers × 3 specimens) and report to the nearest half rating.

Precision and traceability: Annex A summarizes inter‑laboratory precision (critical differences) and Annex B provides a digital description of replicas and scanning/measurement method.

Practical applications and users

Who benefits from ISO 7768:2009:

Textile and apparel manufacturers - quality control of finishes, low‑iron and easy‑care claims.

Testing laboratories - standardized method for repeatable, comparable smoothness ratings.

R&D teams - compare fabric constructions, finishes, or detergents for post‑wash appearance.

Professional care providers and laundries - evaluate effects of cleaning processes on appearance.

Retailers and brand compliance - verify performance statements related to wash‑care and ironing effort.

Practical uses:

Validating finish durability (e.g., wrinkle‑resistant finishes) after repeated launderings.

Comparing washing procedures and detergents for consumer guidance.

Supporting product specifications and marketing claims about “easy‑care” or “no‑iron” performance.

Related standards

ISO 6330 - Domestic washing and drying procedures for textile testing (Type A/B machines)

ISO 3175 (all parts) - Professional care (drycleaning and wetcleaning)

ISO 139 - Standard atmospheres for conditioning and testing

ISO 105‑A03 - Grey scale for assessing staining (used for viewing board color)

Keywords: ISO 7768:2009, fabric smoothness, smoothness appearance test, textiles test method, domestic washing ISO 6330, ISO 3175, smoothness replicas, SA rating, textile quality control.

ISO 7768:2009 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

SIST EN ISO 6330:2022

Textiles - Domestic washing and drying procedures for textile testing (ISO 6330:2021)

SIST EN ISO 3175-5:2019

Textiles - Professional care, drycleaning and wetcleaning of fabrics and garments - Part 5: Procedure for tes…

BS EN ISO 13904:2016

Animal feeding stuffs. Determination of tryptophan content.

BS EN ISO 10565:1998

Oilseeds. Simultaneous determination of oil and water contents. Methods using pulsed nuclear magnetic resonan…