EN ISO 105-X09:1995 PDF

Name: EN ISO 105-X09:1995 — Textiles - Tests for colour fastness - Part X09: Colour fastness to formaldehyde (ISO 105-X09:1993)
SKU: EN ISO 105-X09:1995
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Textiles - Tests for colour fastness - Part X09: Colour fastness to formaldehyde (ISO 105-X09:1993)

Название (английский):

EN ISO 105-X09:1995

Textiles - Tests for colour fastness - Part X09: Colour fastness to formaldehyde (ISO 105-X09:1993)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 22 ноября 1995 г.
Издание:: CEN EN 105 edition 1 version 1
ICS:: 59.080.01

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Описание (английский):

A specimen of the textile (textiles of all kinds and in all forms) is exposed to the action of gaseous formaldehyde in a closed container. The change in colour of the specimen is assessed with the grey scale. This method is not suitable for assessing changes in colour which may occur during crease-resist finishing with urea-formaldehyde products, or in subsequent treatment of the dyeing with solutions of formaldehyde.

Abstract

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Overview

EN ISO 105-X09:1995 is a European adoption of the international standard ISO 105-X09:1993, titled Textiles - Tests for colour fastness - Part X09: Colour fastness to formaldehyde. Published by CEN, this standard specifies a test method to determine the resistance of textile colors to gaseous formaldehyde exposure. The test is applicable to textiles of all kinds and forms, providing vital information on the durability of textile coloration when exposed to formaldehyde vapors.

The method involves exposing textile specimens to a controlled formaldehyde atmosphere and assessing any resultant color change using the ISO grey scale. It is important to note that this test is not suitable for detecting color changes caused by crease-resist finishing with urea-formaldehyde products or any subsequent dye treatments with formaldehyde-based solutions.

Key Topics

Scope & Purpose This standard applies to revealing the color fastness of textiles when exposed to formaldehyde vapors, simulating storage or treatment conditions where formaldehyde is present. It addresses the textile industry's need to ensure color stability in environments susceptible to chemical exposure.

Test Principle A textile specimen is suspended inside a sealed container above a dish containing a formaldehyde solution. Formaldehyde vapor saturates the atmosphere, reacting with the textile over 24 hours. After exposure, the specimen's color change is visually evaluated using a standard grey scale.

Equipment & Materials

Glass hell-jar (approx. 6 liters capacity)
Glass frame for specimen suspension
China dish (50 ml capacity) for formaldehyde solution
Formaldehyde solution standardized to 350 g/kg concentration
ISO grey scale for color change assessment (ISO 105-A02)

Specimen Preparation

Fabric specimens: 40 mm x 100 mm
Yarn specimens: knitted into fabric or formed into a wick of parallel lengths
Loose fibers: combed into a sheet supported on cotton fabric

Testing Procedure

Attach specimen to the frame hanging above the solution without contact
Introduce 15 ml of formaldehyde solution into the dish
Seal the jar and incubate at 20 ± 2°C (up to 27 ± 2°C for tropical climates) for 24 hours
Air the specimen in indirect light for 24 hours post-exposure
Assess and record color change per ISO grey scale criteria

Test Reporting Essential test report elements include:

Reference to this part of ISO 105 with edition date
Detailed sample information
Numerical rating of color change observed

Applications

Textile Quality Control Ensures that textile products maintain color integrity when exposed to formaldehyde vapors common in manufacturing, finishing, or storage environments.

Chemical Treatment Assessment Although not suitable for crease-resistant finishing involving urea-formaldehyde, this test aids in evaluating textiles exposed to gaseous formaldehyde during handling.

Textile Research and Development Helps textile developers enhance dye formulations and treatments for improved formaldehyde resistance, supporting product innovation.

Regulatory Compliance and Safety Contributes to meeting industry standards related to chemical exposures and color fastness, important for consumer safety and satisfaction.

Related Standards

ISO 105-A01:1989 – General principles of testing for colour fastness in textiles

ISO 105-A02:1993 – Grey scale for assessing change in color, used for evaluation in this test

Other parts of ISO 105 series address various colour fastness tests such as to washing, light, rubbing, and perspiration

EN ISO 105-X09:1995 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Keywords

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