It is used to detect the stiffness (the resistance of textiles against multi-directional bending) of various fabrics (including knitted fabrics and non-textiles of optical fibers).
【Related standards】
ASTM D4032-2008
【Test Principle】
Use a circular loading head to push a flat and folded fabric sample into a platform hole, and the large pressure of the fabric sample through the hole is the stiffness of the fabric.