In {TAIL ~ yet a further embodiment}, {HEAD ~ the composite} has an initial tensile strength of at least 250 MPa and retains at least 75% of the initial tensile strength for at least 8 weeks 
In
In { TAIL ~ yet a further embodiment } , { HEAD ~ the composite } has an initial tensile strength of at least 250 MPa and retains at least 75 % of the initial tensile strength for at least 8 weeks
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH