KEVLAR 49 is a high-modulus para-aramid reinforcing fiber. It is the dominant organic reinforcing fiber in advanced composites today. It has exceptional strength and stiffness and it is a low density material. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and compressive and shear strength as well as creep. It also includes information on machining. Filing Code: Cp-7. Producer or source: E. I. Dupont de Nemours & Company Inc..