This part of GB/T 4802 specifies the method for determining the pilling performance and surface change of textiles by random tumbling method. This section applies to all types of woven and knitted fabrics.
GB/T 4802.4-2009 Referenced Document
GB/T 6529-2008 Textiles.Standard atmospheres for conditioning and testing
GB/T 4802.4-2009 history
2020GB/T 4802.4-2020 Textiles—Determination of the fabric propensity to surface pilling, fuzzing or matting—Part 4: Random tumble pilling method
2009GB/T 4802.4-2009 Textiles.Determination of fabric propensity to surface fuzzing and to pilling.Part 4:Random rolling method