CELANESE nylons 1400, 1500, and 1600 are respectively 13, 33 and 43% glass fiber reinforced injection molding nylon 6/6 grades. Heat stabilized modifications (1403, 1503 and 1603) are also available. This datasheet provides information on physical properties, hardness, tensile properties, and shear strength as well as fracture toughness. Filing Code: Cp-6. Producer or source: Engineering Plastics Division, Hoechst Celanese Corporation.