GB/T 7962.21-2019
ActiveTest method of colourless optical glass—Part 21：Resistance to attack by aqueous alkaline solutions
无色光学玻璃测试方法 第21部分：耐碱稳定性
Application Summary AI generated
This standard specifies the test method for evaluating the resistance of colourless optical glass to attack by aqueous alkaline solutions. It is applied in the optical manufacturing industry to assess the chemical durability of glass components, such as lenses and prisms, when exposed to alkaline environments during cleaning or processing. The test ensures that optical glass maintains its surface quality and performance in applications like precision optics, cameras, and scientific instruments.
Related Standards
GB/T 19738-2005
Glass plant,pipeline and fittings-Glass plant components
GB/Z 2640-2021
Injection vials made of moulded glass
GB/Z 12414-2021
Pharmaceutical glass tube
GB/T 5137.3-2002
Road vehicles--Safety glazing materials--Part 3:Test methods for resistance to radiation，high temperature，humidity，fire and simulated weathering
GB/T 5137.2-2002
Road vehicles--Safety glazing materials--Part 2:Test methods for optical properties
GB/T 5137.1-2002
Road vehicles--Safety glazing materials--Part 1:Test methods for mechanical properties
GB/T 11416-2002
Domestic insulated containers
GB/T 3385-2001
Shipbuilding and marine structures--Toughened safety glass panes for rectangular windows and side scuttles--Punch method of non-destructive strength testing
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.