material borosilicate glass tube

Product Description
Glass tube, borosilicate glass tube, borosilicate 3.3 glass tube
OD from 3mm to 315mm
Shape: round, flat, tringle, hexa
Available size:
1) Outer diameter: 3mm - 315mm
2) Different wall thickness available
3) Standard length: 1,500mm
Main composition:
1) SiO2: 80±0.5%
2) B2O2: 13± 0.2%
3) Al2O3: 2.4±0.2%
4) Na2O (+K2O): 4.3±0.2%
Chemical properties:
1) Coefficient of mean linear thermal expansion (20°C/300°C): 3.3±0.1 (10-6K-1)
2) Transformation temperature: 525±15°C3)
Working point: 1,260±20°C4)
Softening point: 820±10°C5)
Density at 20°C: 2.23g/cm²6)
Hydrolytic resistance at 98°C: ISO719-HGB17)
Hydrolytic resistance at 121°C: ISO720-HGA18)
Acid resistance class: ISO1776-1 9)
Alkali resistance class: ISO695-A2
Packing: Export cartons on fumigated wooden pallet
Features:
1.High Resistance to Thermal Shock
2.High Hydrolytic Resistance
3.High Chemical Resistance
4.Good processility-marking different shapes: round, flat, profiles,etc
5.Fire polished/cut neat/anneal
6.PT moulding technology
7.No wave on tube
8.Less stone.knots
9.No gas-line on tube
Application:
Plant Construction/Environment: Desulphurization Plants
Pipelines
Heat Exchangers
Lighting: Flameproof Light Fittings
GIFTS: Christmas Tree Decorations
Candlesticks
Lanterns
Pressed Glass Articles, e. g. Balls, Lenses
Sight Glasses
Interior Decoration: Towel Rails
Products Show
Company Information
Own factory and warehouse with advanced imported equipment, most valuable professional talents and strict quality control system,16 years experience. With such resources, we promise to satisfy customer's request with our best capabilities.
Qingdao vatti glass co.,ltd is a professional glass manufacturer and international market supplier, dealing with Tempered Glass, Laminated Glass, Insulating Glass, Borosilicate Glass, Ceramic Heat-resistant Glass,Aluminosilicate Glass,Anti-glare Glass, Anti-reflective glass,Glass Tube, Sight Glass, Solar PV Glass,Quartz glass, furniture glass Series,Art Glass Series, Mirror Series,Clear float Glass,Reflective Glass,Tinted Glass and so on.
1. 16 years experiences on glass manufacturing and exporting.
2. Top quality glass with CE,CCC certificate, exporting to more 80 countries in the world.
3. Unique designed strong wooden cases, solving the problems of breakage.
4. Dockside warehouses beside three of China main container seaports, ensuring convenient loading and rapid delivery.
5. Full range of flat glass supply, offering one-stop purchase.
6. Professional sales team, offering personalized and dedicated services.