This specification covers one type of epoxy-resin-impregnated carbon fibers in the form of tape and sheet.These products have been used typically in structural composites requiring high tensile strength up to 120 degrees C (248 degrees F), but usage is not limited to such applications.G 200 ksi (1380 MPa) tensile strength, 18.0 Msi (124 GPa) tensile modulus carbon fiber impregnated with epoxy resin for service up to 120 degrees C (248 degrees F).