ASTM D4970-99

    Historical Standard: ASTM D4970-99 Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textiles Fabrics (Martindale Pressure Tester Method)

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    1. Scope

    1.1 This test method covers the determination of resistance to the formation of pills and other related surface changes on textile fabrics under light pressure. The method utilizes the Martindale tester. The procedure is generally applicable to all types of fabrics, being particularly suitable for woven fabrics.

    1.2 This method is not suitable for fabrics thicker than 3 mm ( 1/8 in.), since such fabrics cannot be mounted in the specimen holder.

    1.3 The values stated in inch-pound units are to be regarded as standard; the values in SI units are provided as information only.

    1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Note 2 and Note A1.1

    Note 1-For other methods of testing the pilling resistance of textiles, refer to the following ASTM methods: Test Method D3511 for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Brush Pilling Tester Method, Test Method D3512 for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Random Tumble Pilling Tester Method, and Test Method D3514 for Resistance of Apparel Fabrics to Pilling (Elastomeric Pad Method). For directions covering the measurement of resistance to pilling by the Appearance Retention Tester, refer to Method D1375. For directions covering the measurement of resistance to pilling by the Inflated Diaphragm Tester, and the Reciprocating Table Tester, refer to Method D1375.

    2. Referenced Documents

    ASTM Standards:

    D 123* Terminology Relating to Textiles

    D 1776* Practice for Conditioning Textiles for Testing


    ICS Code

    ICS Number Code 59.080.30 (Textile fabr)

    UNSPSC Code

    UNSPSC Code 11161800(Synthetic fabrics); 41114718(Textile pilling degree tester)


    DOI: 10.1520/D4970-99

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