Home / Standards / GB/T 12828-2006 GB/T 12828-2006 Active Rubber,raw and unvalcanized compounded - Determination of plasticity number and recovery number - Parallel plate method 生胶和未硫化混炼胶 塑性值及复原值的测定 平行板法 Standard Type GBT ICS 83.060 CCS G40 Status 现行 Issue Date 2006-12-29 Implementation 2007-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A