CJ/T 258-2014 Fiber reinforced polypropylene random copolymer composite pipe

CJ/T 258-2007 Fiber reinforced polypropylene random copolymer composite pipe

GB/T 6671-2001 Thermoplastics pipes-Determination of longitudinal reversion 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 1036-1989 Determination for coefficient of linear expansion of plastics GB/T 1036-2008 Test method for coefficient of linear thermal expansion of plastics between-30 ℃ and 30 ℃ with a vitreous silica dilatometer GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) GB/T 1843-1996 Plastics—Determination of izod impact strength GB/T 1843-2008 Plastics—Determination of izod impact strength 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 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 14152-2001 Thermoplastics pipes—Determination of resistance to external blows—Round-the-clock method GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General GB/T 18742.1-2017 Polypropylene(PP) piping systems for hot and cold water installations—Part 1:General GB/T 18742.3-2002 Polypropylene piping systems for hot and cold water installations—Part 3:Fittings GB/T 18742.3-2017 Polypropylene(PP) piping systems for hot and cold water installations—Part 3:Fittings GB/T 18991-2003 Thermoplastics pipes and fittings for hot and cold water systems GB/T 19278-2003 General terms and their definitions of thermoplastic pipes, fittings and valves GB/T 19278-2018 General terms and their definitions of thermoplastic pipes,fittings and valves GB/T 19993-2005 Thermoplastics piping systems for hot and cold water supply—Test method for the resistance of pipes and fittings mounted assemblies to thermal cycling GB/T 21300-2007 Plastics pipes and fittings—Determination of opacity SH/T 1770-2010 Determination of moisture content in polyethylene plastic 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 GB/T 1633-2025 Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST)