Brand Name: | JEFFER |
Model Number: | Customization |
MOQ: | 1 set |
Price: | Negotiable |
Delivery Time: | 150 days after received the down payment |
Payment Terms: | L/C, T/T |
Quartz Glass Processing Plant Flint Glass Production Line
Brief Introduction
Borosilicate tube glass is a special kind of glass which incorporates two chemicals in high concentration: boron trioxide and silica.These safe and environmentally-friendly chemicals make borosilicate glass more heat resistant than other forms of glass on the market.
Technological Features
SiO2 Content
|
>80%
|
Strain Point
|
520℃
|
Annealing Point
|
560℃
|
Softening Point
|
820℃
|
Refractive Index
|
1.47
|
Light Transnission(2mm)
|
0.92
|
Elastic Modulus
|
67KNmm-2
|
Tensile Strength
|
40-120Nmm2
|
Glass Stress Optical Coefficient
|
3.8*106m2/N
|
Processing Temperature (104dpas)
|
1220℃
|
Linear Coefficient of Expansion(20-300℃)
|
3.3*10-6K-1
|
Density(20℃)
|
2.23gcm-1
|
Specific Heat
|
0.9jg-1K-1
|
Thermal Conductivity
|
1.2Wm-1K-1
|