GB/T 22040-2025 Technical requirements and test of weathering quality for plastics of highway furnatures

GB/T 22040-2008 Technical requirements and determination of weathering quality for plastics of highway furnatures

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 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1449-2005 Fibre-reinforced plastic composites—Determination of flexural properties GB/T 1766-1995 Paint and varnish—Rating schemes of degradation of coats GB/T 1766-2008 Paints and varnishes—Rating schemes of degradation of coats GB/T 2411-1980 Plastics—Shore hardness test GB/T 2411-2008 Plastics and ebonite—Determination of indentation hardness by means of a durometer(shore hardness) GB/T 2423.18-2000 Environmental testing—Part 2:Tests—Test Kb:Salt mist, cyclic (sodium chloride solution) GB/T 2423.18-2012 Environmental testing—Part 2:Test methods—Test Kb:Salt mist,cyclic(sodium chloride solution) GB/T 2423.18-2021 Environmental testing—Part 2:Test methods—Test Kb:Salt mist,cyclic(sodium chloride solution) GB/T 2423.22-2002 Environmental testing for electric and electronic products—Part 2:Test methods Test N:Change of temperature GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 2423.37-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test L:Dust and sand GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2:Direct weathering and exposure behind window glass GB/T 12000-1989 Plastics—Test methods of exposure to damp heat, steady state GB/T 12000-2003 Determination of the effects of exposure to damp heat, water spray and salt mist for plastics GB/T 12000-2017 Plastics—Determination of the effects of exposure to damp heat,water spray and salt mist GB/T 16422.2-1999 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon—arc sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps GB/T 16422.3-1997 Plastics—Methods of exposure to laboratory light sources—Part 3:Fluorescent UV lamps GB/T 16422.3-2014 Plastics—Methods of exposure to laboratory light sources—Part 3:Fluorescent UV lamps GB/T 16422.3-2022 Plastics—Methods of exposure to laboratory light sources—Part 3:Fluorescent UV lamps