VESTAKEEP 4000 GF30 is a glass fiber-reinforced (30%) polyether ether ketone for injection molding. The semi-crystalline polymer features superior mechanical, thermal, and chemical resistance. Parts made from VESTAKEEP 4000 GF30 are self-extinguishing. VESTAKEEP 4000 GF30 can be processed on common injection molding machines for thermoplastics.Information provided by Evonik |