XXX

RT630

It is composed of cellulosic paper reinforcement combined with a phenolic resin system.  

RM630

RM630 (NEMA XXX) is a thermoset molded composite consisting of an electrical grade paper reinforcement combined with a phenolic resin system.

NP630

NP630 (NEMA XXX) is a machining grade with very good electrical properties and excellent resistance to moisture and splitting.