联系人 Ms. vivian
guanchengbei yuan, bei jing
We offer borosilicate glass tubes and rods in various colors Features: 1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black 2) Regularly stocked rod diameter: ***0mm 3) Regularly stocked rod length: 1, **0mm 4) Customized sizes are available (outside diameter: 3.***6mm) 5) Main composition: a) SiO2: *0 ±0.5% b) B2O3: *3 ±0.2% c) Al2O3: 2.4 ±0.2% d) Na2O (+K2O): 4.3 ±0.2% 6) Chemical properties: a) Coefficient of mean linear thermal expansion (*0/**0 °C): 3.3±0.1 (***6K*1) b) Transformation temperature: **5±*5°C c) Working point: 1, **0 ±*0°C d) Softening point: **0 ±*0°C e) Density at *0°C: 2.*3g/cm² f) Hydrolytic resistance at *8°C: ISO***-HGB1 g) Hydrolytic resistance at **1°C: ISO***-HGA1 h) Acid resistance class: ISO*****1 i) Alkali resistance class: ISO***-A2
国家: | China |
型号: | glass products |
离岸价格: | 获取最新报价 |
位置: | - |
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