Beijing Kaixingda Industry Technology Development Co., Ltd.
Main products:Drilling Rig,Water Well Drilling Rig,DTH Hammer,Glass Tube,Molybdenum Wire
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  • Contact Person : Mr. jia jeff
  • Company Name : Beijing Kaixingda Industry Technology Development Co., Ltd.
  • Tel : 86-10-67562712
  • Fax : 86-10-67562693
  • Address : Beijing,beijing,NO.15 MAJIAPU,FENGTAI DISTRICT
  • Country/Region : China
  • Zip : 100068

BROSILICATE glass tube (factory outlet)

BROSILICATE glass tube (factory outlet)
Product Detailed
BROSILICATE glass tube (factory outlet) 1.size: OD 3MM-315MM 2.Large in stock

BOROSILICATE glass tube (factory outlet)

size: from 3-315mm, and the tubes of 37, 47, 58, 70 for the solar water heater.

the high borosilicate glass tube enjoys good heat-proof, anti-rot, mechanical capacity, high working temperature, good technical quality and the favourable price.

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: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/cm6) Hydrolytic resistance at 98°C: ISO719-HGB17) Hydrolytic resistance at 121°C: ISO720-HGA1


BROSILICATE glass tube (factory outlet)

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