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