ISO International Standard

This document specifies the minimum requirements for flexible polyurethane foams up to and including 20 mm thick intended for combination with suitable substrates such as non-woven, woven or knitted fabrics, to form a laminate.

Three types of flexible polyurethane foam are specified as follows:

— type 1: polyether;

— type 2: polyester with minimum elongation at break of 200 %;

— type 3: polyester with minimum elongation at break of 300 %.