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optical glass borosilicate glass raw borosilicate glass
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Product Details
Place of Origin | Tianjin, China | Brand Name | Aojing | |
Function | Decorative Glass | Shape | Flat | |
Structure | Solid | Technique | Clear Glass, Tempered Glass | |
Type | Float Glass |
Product Description
Specifications
Fire resistant glass with high strength employs modern technology to reprocess the float glass by chemical and physics approache3.3 Borosilicate float glass
3.3 Borosilicate float glass is produced by the technology of float glass making .Main ingredients of this float glass are sodium oxide(Na2o),boron oxide(B2O3),silicon dioside(si02).In those ingredients ,boron and silicon have high content .For example , boron :12.5~13.5%,silicon 78~80%.In this case , this special glass are called borosilicate float glass. The feature of the glass is that it has small thermal expansion coefficient ,good thermal stability, chemical durability and electrical property. Therefore ,borosilicate float glass chemical resistant ,heat resistant and mechanical property are excellent .Moreover, the glass could use in high temperature and has strong hardness .So, borosilicate glass is called heat resistant glass as well. It is a special flameproof glass.
Product Performace:
1. Mechanical property
Density (ρ):2.23±0.03g/cm3
Mohs’hardness:>7
2. Thermodynamic property
Thermal expansion coefficient:
(0-300°C)(3.3±0.1)x10-6K-1
Intenerate temperature :820±10°C
Strain temperature: 516±10°C
Specific heat capacity: (20-100°C)0.82KJ x( x K)-1
Thermal conductivity coefficient:1.2W x(m x K)-1
Heat resistant :180 K
(Become tempered glass ,300K above)
With piece temperature difference performance :100K
(Become tempered glass,200K above)
A long –term (>10h) temperature loading capacity of 450 °C,a short-term (<10h)temperature loading capacity of 500 °C.
3.Chemical property
Water resisting property:
ISO719/DIN 12111 HGB1
ISO720 HGA1
Acid proof :ISO1776/DIN121161
Alkali resistance :ISO695/DIN52322 A2
4.Optical performance
Index of refraction :Nd:1.47384
5.Electric property
Electric receptivity (lgρ):50 °C 8.0 W x
Dielectric loss:
Tan s (1 mhz 20°C)38x10-4
Specific inductive capacity (SIC) e:4.7
6.Maxmium size :850mm x2000mm
7.Thickness :2~12mm
Applications
·Home application (e.g. internal panels in ovens and panels in microwave oven ,induction heater ,fireplace ,space heating appliances etc.)
·Environmental project and Chemical project(e.g. underlayer of repellency)
·Lighting industry (e.g. cover panels for high power floodlights and projectors)
·Solar electrical energy generation (e.g. top of solar battery)
·Accuracy apparatus (e.g. optically flat filter)
·Semiconductor technology (e.g.water)
·Medical Technology biological engineering
·Protection (e.g. bullet –resisting glass ,cover of high grade watch
·Advance building flameproof glass
Contact Us
- Qinhuangdao Aojing Glass Production Co., Ltd.
- Contact namesunny li Chat Now
- Phone86-335-3560863
- AddressNorth Industry Area, Haigang District
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