Home / Standards / GB/T 1632.2-2025 GB/T 1632.2-2025 Active Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 2: Poly(vinyl chloride) resins 塑料 使用毛细管黏度计测定聚合物稀溶液黏度 第2部分:聚氯乙烯树脂 Standard Type GBT ICS 83.080.20 CCS G31 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A