Home / Standards / GB/T 8656-2018 GB/T 8656-2018 Active Emulsion-and solution-polymerized styrene-butadiene rubber(SBR)—Evaluation procedures 乳液和溶液聚合型苯乙烯-丁二烯橡胶(SBR) 评价方法 Standard Type GBT ICS 83.060 CCS G35 Status 现行 Issue Date 2018-12-28 Implementation 2019-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A