Home / Standards / GB/T 19687-2005 GB/T 19687-2005 Active Determination of the long-term change in thermal resistance of closed-cell plastics(accelerated laboratory test methods) 闭孔塑料长期热阻变化的测定 实验室加速测试方法 Standard Type GBT ICS 91.100.60 CCS Q25 Status 现行 Issue Date 2005-03-17 Implementation 2005-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A