GB/T 7139-2023
ActivePlastics—Vinyl chloride homopolymers and copolymers—Determination of chlorine content
塑料 氯乙烯均聚物和共聚物 氯含量的测定
Application Summary AI generated
This standard specifies the method for determining the chlorine content in vinyl chloride homopolymers and copolymers, which is critical for verifying the composition and quality of PVC materials. It is applied in the plastics manufacturing industry for quality control of raw materials and finished products, particularly in the production of pipes, profiles, and cables. The standard is also used in laboratory testing and regulatory compliance to ensure material consistency and performance specifications.
Related Standards
GB/T 7141-2008
Plastics—Methods of heat aging
GB/T 9350-2003
Plastics--Homopolymer andcopolymer resins of vinyl chloride--Determination of pH of aqueous extract
GB/T 19276.1-2003
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by measuring the oxygen demand in a closed respirometer
GB/T 12004.4-2003
Polyvinyl chloride paste--Determination of apparent viscosity by the Brookfield test method
GB/T 19276.2-2003
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by analysis of evolved carbon dioxide
GB/T 19275-2003
Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms
GB/T 12000-2003
Determination of the effects of exposure to damp heat，water spray and salt mist for plastics
GB/T 17931-2003
Poly(ethylene terephthalate)(PET)resin for bottles
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.