ASTM D2257 - 20

Standard Test Method for Extractable Matter in Textiles

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1.1 This test method covers a procedure for determining the extractable material on most fibers, yarns, and fabrics. Three options are included. Option 1 uses heat and Soxhlet extraction apparatus. Option 2 uses room temperature and extraction funnels. Option 3 uses either Option 1 or Option 2 extraction but provides for calculation of extractable matter from the loss in mass of the material due to the extraction rather than the extractable matter residue.Note 1: Other standards for the determination of extractable matter in textiles made of specific fibers include: Specification D541, Specification D681, and Test Method D1574.1.1.1 The solvents for use in this method are any solvents that the party or parties concerned agreed on; such as, Halogenated Hydrocarbon (HH) chloroform, tetrachloroethane, alcohol (isopropyl or methyl).1.1.2 This test method may not extract cross-linked finishes or resins which may be on the textile.1.2 The values stated in SI units are to be regarded as stan

Number of pages: 5

International relationships :

ICS: 59.080.20 - Yarns

Item number: A003917