TM158-TM 158 Dimensional Changes on Drycleaning, Perchloroethylene

TM158-TM 158 Dimensional Changes on Drycleaning, Perchloroethylene

Description

Untitled

TEST METHODS ARE DELIVERED AS A LINK IN YOUR EMAILED RECEIPT.

 

AATCC TM158-1978e10(2016)e, Dimensional Changes on Drycleaning in Perchloroethylene: Machine

 

Developed in 1978 by AATCC Committee RA43; editorially revised and reaffirmed 1979, 1985, 1995, 2011; editorially revised 1986, 1991, 1993, 2004, 2008, 2010, 2019; reaffirmed 1990, 2000, 2005, 2016. Partially equivalent to ISO 3175.

 

Foreword

 

Drycleaning, a process for cleaning textiles in an organic solvent, dissolves oils and fats and disperses particulate dirt substantially without the swelling and creasing associated with washing or wet cleaning. Small quantities of water and surfactant may be incorporated in the solvent to obtain better soil and stain removal. Some moisture-sensitive articles are preferably drycleaned without the addition of water to the solvent but a surfactant can be used in order to assist soil removal and prevent graying. Different solvents can be used for drycleaning of which perchloroethylene (tetrachloroethylene) is the most common I many countries. For this reason, the present method prescribes the use of perchloroethylene. Drycleaning is normally followed by an appropriate restorative finishing procedure. In most cases, this comprises some form of steam treatment and/or hot pressing. Dimensional change on drycleaning and steaming and/or pressing is progressive, and in some cases a single treatment may give little indication of the extent of dimensional change that may arise after repeated treatments. Generally, most of the potential dimensional change is released after 3-5 drycleaning and finishing treatments.

 

1. Purpose and Scope

 

1.1 This test method specifies a drycleaning procedure, using a commercial drycleaning machine, for the determination of dimensional change of fabrics and garments after drycleaning in perchloroethylene. It comprises processes for normal materials and sensitive materials.

1.2 Very sensitive materials, which can be cleaned only when special precautions are taken, are excluded from the scope of this method.

1.3 The test method is intended only for the assessment of dimensional changes undergone by a specimen subjected to a single drycleaning and finishing operation. When it is desired to determine the amount of progressive dimensional change, the method may be repeated a specified number of times, normally not exceeding five cycles.

 

Copyright American Association of Textile Chemists and Colorists, RTP, NC, USA. All rights reserved.

 

The above information is only a summary of the AATCC test method.

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