Home / Standards / GB/T 8656-1998 GB/T 8656-1998 Active Styrene-butadiene rubber(SBR)--Emulsion and solution-polymerized types--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 G34 Status 现行 Issue Date 1998-07-13 Implementation 1999-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A