Product Description

Glass rod: Diameter from 3mm to *0mm
Glass sheet : Thickness from 1.7mm to *2mm
Colore: clean, bule, yellow, green, purple, pink, red, black is available.
Package : Three -layer carton, five-layer carton or wooden box
Delivery time : *5 days
Main composition:
1) SiO2: *0?0.5%
2) B2O3: *3?0.2%
3) Al2O3: 2.4?0.2%
4) Na2O(+K2O): 4.3?0.2% Chemical properties:
1) Coefficient of mean linear thermal expansion (*0?C/**0?C):
3.3?0.1 (***6K*1)
2) Transformation temperature: **5?*5?C
3) Working point: 1, **0?*0?C
4) Softening point: **0?*0?C
5) Density at *0?C: 2.*3g/cm
6) Hydrolytic resistance at *8?C: ISO***-HGB1
7) Hydrolytic resistance at **1?C: ISO***-HGA1