6 VULCANIZING AGENTS, DRYING AGENTS, REINFORCING FILLERS AND EXTENDERS, ANTIAGING AGENTS, LOW TEMPERATURE FLEXIBILIZING AGENTS, HEAT-STABILIZING AGENTS, ANTIRADIATION AGENTS, ANTIOXIDANTS, FLUORESCENT MARKING AGENTS, CHEMICAL STABILIZING AGENTS, PIGMENTS, BLOWING AGENTS, VULCANIZATION RETARDING AGENTS, AND FLAME RETARDING AGENTS FOR ADDITION TO NATURAL AND SYNTHETIC RUBBERS AND SYNTHETIC PLASTICS