ISO 20864:2004 specifies three methods for determining the shape retention properties and compression strength of a domed test specimen. These methods are the following and they are applicable to footwear toepuff and stiffener:
method 1: applicable to heat activated materials
method 2: applicable to solvent activated materials
method 3: applicable to non-thermoplastic fibreboard
PUBLISHED
ISO 20864:2004
90.60
Close of review
Sep 3, 2026