CJ/T 238-2006 Polyethylene of raised temperature resistance(PE-RT)/Aluminum stable composite pipe

GB/T 1033-1986 Test method for density and relative density of plastics GB/T 4608-1984 Test for melting point of semicrystalline polymers Optical method GB/T 6671-2001 Thermoplastics pipes-Determination of longitudinal reversion GB/T 10798-2001 Table of universal wall thickness of thermoplastics pipe GB/T 13663-2000 Polyethylene pipes for water supply GB/T 18991-2003 Thermoplastics pipes and fittings for hot and cold water systems GB/T 18997.1-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe—Part 1:PE/AL/PE pipe overlap-welded by aluminum pipe CJ/T 175-2002 Polyethylene of raised temperature resistance(PE-RT)piping systems for hot and cold water installations GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium 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 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics 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 3682.2-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 2:Method for materials sensitive to time-temperature history and/or moisture GB/T 6111-2003 Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure—Test method GB/T 6111-2018 Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure GB/T 8806-2008 Plastics piping systems—Plastics components—Determination of dimensions GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 18252-2008 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 18252-2020 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation GB/T 8806-1988 Method for dimension measuring of plastic pipes GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system