This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of borosilicate flat glass. This standard applies to colorless borosilicate flat glass used in construction, home appliances and lighting. Colorless borosilicate flat glass for other uses can be used as a reference.
GB/T 16920 Determination of average linear thermal expansion coefficient of glass
GB/T 2680 Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors*， 2021-03-09 Update
GB/T 28195 Determination of softening point for glass
GB/T 28209 Chemical analysis method of borosilicate glass*， 2023-03-17 Update
GB/T 6580 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification*， 2021-08-20 Update
GB/T 6581 Glass resistance to attack by hydrochloric acid at 100℃ flame emission methid or flame atomic absorption spectrometric method
GB/T 6582 Glass—Hydrolytic resisitance of glass grains at 98℃—Method of test and classification*， 2021-08-20 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values