Home / Standards / GB/T 23953-2025 GB/T 23953-2025 Active Dimethyldichlorosilane for industrial use 工业用二甲基二氯硅烷 Standard Type GBT ICS 71.080.99;83.040 CCS G17 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A