Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 10701-1989 Test methods for thermal stability of silica glass 30.0 via email in 1~3 business day abolished
GB 4121-1983 The test method for stability to thermal darkening of silica glass 30.0 via email in 1~3 business day superseded
GB 5949-1986 Test method of alveolus and gas line in transparent silica glass 30.0 via email in 1~3 business day superseded
GB 9657-1988 Transparent quartz glass tubes for semiconductor technology via email in business day valid
GB 9658-1988 Transparent quartz glass tubes for light sources and vacuum instrument via email in business day valid
GB/T 10701-2008 Test methods for thermal stability of silica glass 90.0 via email in 1~3 business day valid
GB/T 12442-1990 Test method for the hydroxyl groups content of silica glass 30.0 via email in 1~3 business day superseded
GB/T 12442-2019 Test method for the hydroxyl groups content of silica glass 165.0 via email in 1~3 business day valid
GB/T 30985-2014 Quartz glass handle for optical fiber manufacture 140.0 via email in 1~3 business day valid
GB/T 32661-2016 Spherical silica powder 150.0 via email in 1~3 business day valid
GB/T 3284-1993 Analytical method of the chemical composition in the quartz glass 180.0 via email in 1~3 business day superseded
GB/T 33237-2016 Quartz glass handle tube for optical fibre drawing 160.0 via email in 1~3 business day valid
GB/T 34177-2017 Quartz glass wafer for lithography 220.0 via email in 1~3 business day valid
GB/T 34178-2017 Silica glass substrates for photomask 220.0 via email in 1~3 business day valid
GB/T 4121-2014 Test method for stability to thermal darkening of quartz glass 90.0 via email in 1~3 business day valid
GB/T 7690.2-2013 Reinforcements - Test Method for Yarns - Part 2: Determination of Twist 110.0 via email in 1~3 business day valid
GBN 225-1984 30.0 via email in 1~3 business day valid
JC 179-1981(1996) 45.0 via email in 1~3 business day superseded
JC 227-1981(1996) Low-expansion QSD quartz glass tubes 30.0 via email in 1~3 business day valid
JC/T 179-2011 Transparent quartz crucibles 150.0 via email in 1~3 business day valid


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