This standard specifies the technical requirements, test methods, inspection rules and requirements for packaging, marking, storage and transportation of styrene-butadiene rubber (SBR) 1502 (hereinafter referred to as "SBR 1502"). This standard applies to SBR 1502, which is prepared by using butadiene and styrene as units, using a mixture of disproportionated rosinate potassium soap and fatty acid soap as an emulsifier, using low-temperature emulsion polymerization, and adding non-polluting anti-aging agents.