GB/T 29159-2012 The glass tube for all-glass evacuated solar collector tubes

GB/T 6579-2007 Laborator glassware—Thermal shock and thermal shock endurance test methods GB/T 6580-1997 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification GB/T 6581-2007 Glass resistance to attack by hydrochloric acid at 100℃ flame emission method or flame atomic absorption spectrometric method GB/T 12416.2-1990 Glass—Hydrolytic resistance of glass grains at 121℃—Test method and classification GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 5432-1985 The density of daily use glass—Test method GB/T 5432-2008 Test method for density of glass by buoyancy GB/T 16920-1997 Glass—Determination of coefficient of mean linear thermal expansion GB/T 16920-2015 Glass—Determination of coefficient of mean linear thermal expansion GB/T 17049-1997 All-glass evacuated solar collector tubes GB/T 17049-2005 All-glass evacuated solar collector tubes GB/T 17049-2024 All-glass evacuated solar collector tubes GB/T 25968-2010 Test methods of solar transmittance and solar absorptance of materials by spectrophotometer QB/T 2298-1997 The method of double lines for measuring the coefficient of thermal expansion QB/T 3572-1999 The chemical analysis method for borosilicate glass GB/T 191-2025 Graphical symbols marking for handling and storage of packages