BS 5131-3.4:1978

This standard BS 5131-3.4:1978 Methods of test for footwear and footwear materials. Uppers, textiles and threads is classified in these ICS categories:

• 61.060 Footwear

This Section describes a method for measuring the extent to which upper materials will shorten or compress in an edgewise direction without forming pleats or wrinkles. This ability to accept compression is one of the factors that determines how cleanly the toe of the upper can be lasted. This method is applicable to all upper materials, but is most useful when comparing materials of the same basic type.

NOTE Section 3.4 is based on SATRA¹⁾ Physical test method PM44.

Method for measuring the extent to which shoe upper materials will stretch or compress in an edgewise direction without forming pleats or wrinkles.