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