NP634 is a combination of a NP611 core combined with phenolic glass cover plies. A non-NEMA grade, NP634 provides higher mechanical strength and dimensional stability than NP611.
The Safety Data Sheet (SDS) (formerly Material Safety Data Sheet (MSDS)) includes information such as the physical, health, and environmental health hazards of the material.
Composite Combinations Sheet Products Property Comparison
Sheet Products, Composite Combinations