GBT7139
GBT7139, Total:2 items.
The international standard classification for "GBT7139" includes: Thermoplastic materials .
The Chinese standard classification for "GBT7139" includes: Basic standards and general methods for synthetic resin and plastic , Synthetic resin and plastic .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 7139-2002 Plastics--Vinyl chloride hompopolymers and copolymers--Determination of chlorine content
- GB/T 7139-2023 Plastics—Vinyl chloride homopolymers and copolymers—Determination of chlorine content
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