Product or Service

3.3 high borosiliate glass tubes

Profile:Manufacturer - Producer|Ref:PSL150581YH | Country: China | Currency: usd | Export: Yes

PRICE : 650 - 850/MT
Currency : usd
incoterm : fob
country : China

Glass tube introduction
The material is high borosilicate 3.3. Which imported from European,super quality raw material assure us supply quality goods. Borosilicate 3.3 series glass is a kind of special type glass material with the features of low expansion coefficient,high temperature resistance,high intensity, high rigidity, transparency and chemical stability. It doesn't explode in high temperature, and can be forged and drawn to variety of formation when soften. All these splendid features enable it to be widely used in the field of solar energy,chemical industry, pharmaceutical packaging, electric light source,artificial crystal, artificial craft decoration and so on.Compared with ordinary glass, It's non poisonous, and it has made the big progress in its mechanical property, thermal stability, hydrolytic resistance.acid resistance and alkali resistance glass High borosilicate glass products: We can provide a full range of borosilicate glass products, such as borosilicate tube, glass rods .
Glass tube OD from 10mm~315mm Glass rods dia from 3~80mm
Glass wall thickness: 1.4mm~22mm
Technical data for glass tube Main composition:
1) SiO2: 80 +-0.5%
2) B2O3: 13+- 0.2%
3) Al2O3: 2.4+- 0.2%
4) Na2O(+K2O): 4.3+-0.2%
Chemical properties:
Expansion Coefficient(20°C/300°C)3.3±0.1 (10-6K-1)
Density g/m3 2.23±0.02
Hydrolytic resistance at 121°C ISO720-HGA1
Acid resistance class ISO1776-1
Alkali resistance class Applications:ISO695-A2
Superior heat- resisting products and crafts
1) Coefficient of mean linear thermal expansion (20°C/300°C):3.3 0.1 (10-6K-1)
2) Transformation temperature: 525 15 °C
3) Working point: 1, 260 20°C
4) Softening point: 820 10 C
5) Density at 20 °C: 2.23G/cm
6) Hydrolytic resistance at 98 C: ISO719-HGB1
7) Hydrolytic resistance at 121 C: ISO720-HGA1

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