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High borosilicate glass rod

Country/Region china
Company Jiaxing Fulin light technology Co, Ltd.
Categories Glass Crafts
Telephone 0086-135 8643 9067
ICP License Issued by the Chinese Ministry
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High borosilicate glass rod

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Product name:

High borosilicate glass rod


Product description:
High borosilicate glass rodO.D.: 25mm-42mm
Colortransparent
MaterialHigh borosilicate glass
Thermal expansion coefficient3.3 * 10-6 K -1
Transformation temperature520
Annealing point560
Softening point820
Refractive index1.47
Density(20℃)2.23gcm - 1
Superior heat resisting products and crafts, Rod are suitable for super quality architectural lamps, tubes are applicable to chemical instrument, chemical tubes and handcrafts, raw material for solar energy vacuum tubes, article of daily usage.
Physical Property
No.Physical performanceNumerical ValueUnit
1Coefficient of mean linear thermal expansion(20°C,300°C)3.3±0.110-6K-1
2Transformation temperature525±15C
3Softening point820±10C
4Working point1260±20C
5Density at 20°C2.23±0.02g/cm3
6Mean thermal conductivity(20°C-100°C)1.2w/m2k
7Refractive index0.921
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