Special Global SponsorsResin Research

Orthophthalic Resin

A polyester resin based on orthophthalic acid, also known as ortho or general purpose (GP)resin. Orthophthalic(ortho) resins are the basic chemistry of polyester resins. It is a raw material utilized in general purpose polyester resin and has a type of molecular structure that is considered to be the standard in the industry.