| abstract |
PROBLEM TO BE SOLVED: To have good adhesiveness to EPDM used as a material rubber for brake hoses, cooler hoses, etc., and to have heat resistance, hydrolysis resistance and chemical resistance in rubber (brake A rubber reinforcing cord having excellent durability against chemicals such as liquids is provided. SOLUTION: The rubber reinforcing cord has a core component of polyester, a sheath component of polyamide and a core component ratio of 30. A rubber reinforcing cord comprising a composite fiber of about 90% by weight, the surface of which contains a resorcinol-formaldehyde precondensate, a vinylpyridine-styrene-butadiene copolymer latex, a polybutadiene latex, and a chlorophenol compound. It shall be treated with the liquid. |