GB/T 21558-2025 Rigid polyurethane foam for building thermal insulation

GB/T 21558-2008 Rigid polyurethane cellular plastics used in the thermal insulation of building

GB/T 2035-1996 Terms and definitions for plastics GB/T 2035-2008 Terms and definitions for plastics GB/T 2035-2024 Plastics—Vocabulary GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 6342-1996 Cellular plastics and rubbers—Determination of linear dimensions GB/T 6343-1995 Cellular plastics and rubbers—Determination of apparent (bulk) density GB/T 6343-2009 Cellular plastics and rubbers—Determination of apparent density GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB 8624-1997 Classification on burning behaviors for building materials GB 8624-2006 Classification for burning behavior of building materials and products GB 8624-2012 Classification for burning behavior of building materials and products GB 8624-2025 Classification for burning behavior of building materials and products GB/T 8810-2005 Determination of water absorption of rigid cellular plastics GB/T 8811-2008 Rigid cellular plastics—Test method for dimensional stability GB/T 8813-2008 Rigid cellular plastics—Determination of compression properties GB/T 8813-2020 Rigid cellular plastics—Determination of compression properties GB/T 10294-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10295-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 10295-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 15048-1994 Cellular plastics, rigid—Determination of compressive creep GB/T 19687-2005 Determination of the long-term change in thermal resistance of closed-cell plastics(accelerated laboratory test methods) GB/T 20672-2006 Cellular plastics, rigid—Determination of compressive creep under specified load and temperature conditions GB/T 21332-2008 Rigid cellular plastics—Determination of water vapour transmission properties GB 46520-2025 Burning behavior safety technical specification of thermal insulation materials and products for building GB 50016-2014 Code for fire protection design of buildings GB 50072-2021 Code for design of cold store GB 55037-2022 Building Fire Protection General Standards GB/T 21332-2025 Rigid cellular plastics—Determination of water vapour transmission properties