Testing Method


Zipper Testing Methods

There are various methods by which to evaluate zipper strength. The basic strength can be determined based on the results of the following inspection methods, from which overall strength appropriate for respective uses can be judged.(Based on JIS-S3015 and ASTM D2061)

※Tensile Testing Machine Conditions ― Tensile Speed: 300 mm/min, Clamp Width: 25 mm

YKK® zippers meet UK Standards of Durability and pass the above JIS strength tests.

Plastic Hardware Testing Methods

Hook & Loop Testing Methods

Snap and Button Testing Method