Form: This specification covers one type of thermoplastic@ polysulfone resin-impregnated carbon fibers in the form of tapeor sheet. Application: These products have been used typically in structural composite requiring high strength up to 120 ??(248 ??@ but usage is not limited to such applications. Classification: C PS 170 ksi (1170 MPa) tensilestrength@ 16 Mi (110 GPa) tensile modulus carbon fiber impregnated with polysulfide resin for service up to 120 ??(248 ??.