Stiffener is also called PI reinforcement, which are widely usedin flexible circuit boards industry. Stiffeners improve、 the flexibility of the FPC, improve the strength of the splice site, so that it is convenient to the whole products assembly. Productsinclude with glue and without glue stiffeners.
1.Good heat resistance.
3.Good chemical resistance.
4.Good mechanical and electric properties.
5.Without halogen and antimony, flame resistance is v0 grade
of Standard UL - 94.