UNI 7535-1976 Elastic materials: raw materials and ingredients, isobutylene, isoprene (IIR) rubber. Preparation and vulcanization of mixtures for evaluation of test methods
1976UNI 7535-1976 Elastic materials: raw materials and ingredients, isobutylene, isoprene (IIR) rubber. Preparation and vulcanization of mixtures for evaluation of test methods