Pp / gmt ( glass mat reinforced polypropylene sheet ) are made from continuous glass fiber mat or needle mat reinforce modified polypropylene matrix Pp / gmt ( glassmatreinforcedpolypropylenesheet )復合材料是連續(xù)玻璃纖維氈或連續(xù)玻璃纖維針刺氈為增強材料與改性聚丙烯為基體復合而成的一種片材。