Home / Standards / GB/T 26528-2011 GB/T 26528-2011 Active Styrene butadiene styrene(SBS) modified bitumen for waterproof 防水用弹性体(SBS)改性沥青 Standard Type GBT ICS 75.140 CCS E43 Status 现行 Issue Date 2011-05-12 Implementation 2011-09-01 Responsible Dept 国家标准委 Drafting Unit N/A