GB 15558.1-1995 Buried polyethylene (PE) pipes for the supply of gaseous fuels
GB/T 1033 Test method for density and relative density of plastics
GB/T 1034 Plastics.Determination of water absorption*, 2008-08-04 Update
GB/T 13021 Calcination and pyrolysis methods for determination of carbon black content of polyolefin pipes and fittings*, 2023-08-06 Update
GB/T 15482 Single sampling procedures and tables for product quality audit of small population by attributes
GB/T 15560 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids
GB/T 17391 Test method for thermal stability of polyethylene pipes and fittings
GB/T 1842 Environmental stress cracking test method for plastic polyethylene*, 2009-04-01 Update
GB/T 2918 Standard environment for conditioning and testing of plastic specimens*, 2019-11-01 Update
GB/T 3681 Plastics. Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors *, 2011-12-30 Update
GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure*, 2018-03-15 Update
GB/T 6671 Thermoplastics pipes-Determination of longitudinal reversion
GB/T 8805 Determination of deflection for rigid plastic pipes
GB/T 8806 Plastics piping systems.Plastics components.Determination of dimensions*, 2008-08-19 Update
GB/T 9647 Determination of Ring Stiffness of Thermoplastic Pipes*, 2016-07-01 Update