T/CECS 10011-2019 The buried drainage pipe made of a mixture of polyethylene and polyvinyl chloride with double-walled corrugated tubing

T/CECS 10011-2022 Polyethylene blended with high-performance double-walled corrugated pipe material of polyvinyl chloride

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1033.2-2010 Plastics—Methods for determining the density of non-cellular plastics—Part 2:Density gradient column method GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3401-1999 Determination of viscosity number of PVC resins in dilute solution GB/T 3401-2007 Determination of the viscosity of Poly(vinyl chloride) resins in dilute solution using capillary viscometers GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 7139-2002 Plastics-Vinyl chloride homopolymers and copolymers—Determination of chlorine content GB/T 7139-2023 Plastics—Vinyl chloride homopolymers and copolymers—Determination of chlorine content GB/T 8804.2-2003 Thermoplastic pipes—Determination of tensile properties—Part 2:Pipes made of unplasticized poly(vinyl chloride)(PVC-U),chlorinated poly(vinyl chloride)(PVC-C)and high-impact poly(vinyl chloride)(PVC-HI) GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 9647-2003 Thermoplastics pipes—Determination of ring stiffness GB/T 9647-2015 Thermoplastics pipes—Determination of ring stiffness GB/T 14152-2001 Thermoplastics pipes—Determination of resistance to external blows—Round-the-clock method GB/T 18042-2000 Thermoplastics pipes—Determination of creep ratio GB/T 18477.1-2007 Unplasticized polyvinyl chloride(PVC-U)structure wall pipline system for underground soil waste and drainage—Part 1:Double wall corrugated pipes GB/T 20022-2005 Plastics—Homopolymer and copolymer resins of vinyl chloride—Determination of apparent density GB/T 21873-2008 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials GB/T 21873-2025 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials GB/T 1633-2025 Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST)