GB/T 23850-2024 Chinese PDF (GB/T23850-2024) GB/T 45544-2025 English versions: GB/T 45281-2025

English versions: GB/T 45281-2025

GB/T 45065-2024_Chinese: Leather and fur - Chemical tests - Determination of residual methylcyclosiloxane volatiles (Chinese: 皮革和毛皮 化学试验 挥发性甲基环硅氧烷残留量的测定)

GB/T 43288-2023_Chinese: Plastics - Soil biodegradable materials for mulch films for use in agriculture and horticulture - Requirements and test methods regarding biodegradation

GB 32051-2024_Chinese: Norm of energy consumption per unit production of titanium dioxide and iron oxide pigments (Chinese: 钛白粉和氧化铁颜料单位产品能源消耗限额)

GB/T 23850-2024 Chinese PDF (GB/T23850-2024) GB/T 45544-2025 English versions: GB/T 45281-2025GB T 23850 2024_Chinese: Sodium perchlorate for industrial use (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23850 2024