| abstract |
(57) [Summary] [Problem] To obtain high adhesive strength. SOLUTION: The rubber-steel cord composite of the present invention comprises a rubber component containing 50% by weight or more of natural rubber and 1, Selected from the group consisting of sodium 6-hexamethylenediamine dithiosulfate dihydrate, monosubstituted dimercaptothiadiazole, hydrate of monosubstituted dimercaptothiadiazole, and triazinethiol monoalkali metal salt The rubber composition comprises at least one rubber composition and a steel cord obtained by twisting steel filaments containing specific amounts of Cu, Co, and Ni in brass plating. |