GB/T 39936-2021 Cellular plastics for use in cryogenic thermal insulation

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 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test 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 6343-2009 Cellular plastics and rubbers—Determination of apparent density 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 8813-2020 Rigid cellular plastics—Determination of compression properties GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10295-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 10799-2008 Rigid cellular plastics—Determination of the volume percentage of open cells and of closed cells GB/T 12812-2006 Rigid cellular plastics—Determination of friability GB/T 20673-2006 Cellular plastics—Determination of the coefficient of linear thermal expansion of rigid materials at sub-ambient temperatures GB/T 21332-2008 Rigid cellular plastics—Determination of water vapour transmission properties JC/T 618-2019 Chemical analysis methods for solutes such as chloride, fluoride, silicate, and sodium in insulation materials QB/T 5114-2017 Determination of Residual Expelling Agent in Hard Polyurethane Foam Rubber/T 5114-2017 (English translation only) HJ 1057-2019 The determination of ozone-depleting substances such as HCFC-22, CFC-11, and HCFC-141b in combination polyurethane foam by headspace gas chromatography-mass spectrometry HJ 1058-2019 Determination of ozone-depleting substances such as CFC-12, HCFC-22, CFC-11, and HCFC-141b in rigid polyurethane foam and composite polyether by portable headspace gas chromatography-mass spectrometry