Home / Standards / GB/T 18258-2026 GB/T 18258-2026 Upcoming Damping materials—Testing method for damping properties 阻尼材料 阻尼性能测试方法 Standard Type GBT ICS 17.160 CCS J04 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A