The composite is provided, being obtained by covering reinforcing cords 2 comprising synthetic fibers or natural fibers with such a BIMS (brominated isobutylene-p-methylstyrene copolymer rubber)-based rubber composition 3 that 50 pts.wt. or more of BIMS is included in 100 pts.wt. of a rubber component. 合成繊維又は天然繊維を用いた補強コード2を、臭素化イソブチレン・パラメチルスチレン共重合体ゴム(BIMS)がゴム成分100重量部中に50重量部以上含有するBIMS系ゴム組成物3にて被覆した。 - 特許庁