T/CBMCA 007-2019 Composite roofing tile

GB 250-1995 Gray scale for assessing change in colour GB/T 250-2008 Textiles—Tests for colour fastness—Grey scale for assessing change in colour 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 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 1043.1-2008 Plastics—Determination of charpy impact properties—Part 1:Non-instrumented impact test 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 8624-2012 Classification for burning behavior of building materials and products GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 15596-1995 Plastics—Determination of changes in Color and variations in properties after exposure to daylight under glass, natural weathering or artificial light GB/T 15596-2009 Plastics—Determination of changes in colour and variations in properties after exposure to daylight under glass,natural weathering or laboratory light sources GB/T 15596-2021 Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources