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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: HONHAI
  • Model Number: HONHAI 001
  • Size: OD from 3MM till 350MM
  • Type: Insulated Glass
  • Application: Lighting Glass
  • Thickness: from 0.5mm till 10MM
  • Composition: Optical Glass

Packaging & Delivery

Packaging Details corrugated sea worthy export carton
Delivery Time 30 days


borosilicate glass tube, also called as PYREX glass. it is heat resistant, and widely used in scientific laboratory glassware

Technical Data:

borosilicate COE 33 glass tube, also called as PYREX glass tube. 

Similar with Schott's DURAN or Kavalier's SIMAX

OD from 3mm till 350MM, wall thickness from 0.5MM till 10MM


Physical Property
No.Physical performanceNumerical ValueUnit
1Coefficient of mean linear thermal expansion(20°C,300°C)3.3±0.110-6K-1
2Transformation temperature525±15°C
3Softening point820±10°C
4Working point1260±20°C
5Density at 20°C2.23±0.02g/cm3
6Mean thermal conductivity(20°C-100°C)1.2w/m2k
7Refractive index0.921

Main Composition

Chemical Property
Hydrolytic resistance at 98°CISO719-HGB 1
Hydrolytic resistance at 121°CISO720-HGA 1
Acid resistance ClassISO1776-First Class
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China (Mainland) | Trading Company
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