GRILON BT40X is an impact modified injection molding grade. It is an alloy between amorphous and semi-crystalline nylons. It offers a unique combination of toughness with high rigidity. This datasheet provides information on physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on casting. Filing Code: P-6. Producer or source: EMS-American Grilon Inc..