NP660 (NEMA XP) is an economy version of NP611. This product is made of natural kraft paper without pigmented cover sheets. This low-cost paper phenolic is suitable for warm to hot punching. NP660 complies with the requirements of MIL-I-24768/19, Type PBM-P.
*The use temperature or temperature index is a recommendation only, and based upon experience in various applications. The maximum operating temperature is dependent upon the application and should be investigated prior to use.