This specification covers glass roving impregnated with epoxy resin, the resin being partially processed to a B stage condition. This roving has been used typically in high strength filament-wound structures for aircraft, missiles, and related structures, but usage is not limited to such applications.
SAE AMS3828C-1993 Referenced Document
ASTM D2584-68 Standard Method Of Test For Ignition Loss Of Cured Reinforced Resins