GPO-3 Molded Sheet (also called GPO3,UPGM203, DF370A) consists of alkali –free glass mat impregnated and bonded with the unsaturated polyester resin, and laminated under high temperature and high pressure in mould. It has good machinability, high mechanical strength, good dielectric properties, excellent proof tracking resistance and arc resistance. It is with UL certification and passed the test of REACH and RoHS, etc.