High Quality Ultra Clear Customized High Borosilicate Glass 3.3

Product Description

                         High Quality Ultra Clear Customized High Borosilicate Glass

Specifications
1. Excellent visual effect
2. Powerful effect on Fire, hydrolysis and Chemical Resistance
3. High resistance to thermal shock.
BOROSILICATE FLOAT GLASS DESCRIPTION
Borosilicate glass has a very low thermal expansion coefficient, about one-third that of ordinary glass. This reduces material stresses caused by temperature gradients, thus making it more resistant to breaking. This makes it a popular material for objects like telescope mirrors, where it is essential to have very little deviation in shape. It is also used in the processing of high-level nuclear waste, where the waste is immobilised in the glass through a process known as vitrification (contrast with Synroc).


BOROSILICATE FLOAT GLASS 3.3 

1. Household electrical appliance (panel for oven and fireplace, microwave tray etc. );
2. Environmental engineering and chemical engineering (Lining layer of repellence, autoclave of chemical reaction and safety spectacles);
3. Lighting (spotlight and protective glass for jumbo power of floodlight);
4. Power regeneration by solar energy (solar cell base plate);
5. Fine instruments (optical filter);
6. Semi-conductor technology (LCD disc, display glass);
7. Iatrology and bio-engineering;

Mechanical   properties
Density (g/cm3) (at 25°C)	2.23±0.02
Knoop hardness	480
Flexure   strength	24Mpa
Thermodynamic   properties
Coefficient   of   thermal   expansion (α) (0-300°C)	3.3±0.1×10-6
Softening point (°C)	830±10
Strain   point  (°C)	521±10
Specific   heat   capacity	(2-100°C)0.83KJ×(kg×K)-1
Thermal conductivity	1.2W×(m×k)-1
Thermal shock resistance(K)	300
Temperature performance(K)	200
Maximum   working   temperature	(>10h, 600°C), (>10h, 550°C)
Chemical properties
Water   resistence	ISO719/DIN12111, HGB1 ISO720, HGA1
Acid   resistance	ISO1776/DIN12116, 1
Alkali   resistance	ISO695/DIN52322, A2
Optical   properties
Refractive   index	Nd: 1.47379
Transmittance (5mm)	>92%
Electrical   properties
Specific   resistance  1g	250°C, 8.0Ω×cm
Dielectric loss	Tan , 38×(10)-4
Dielectric Constant	4.7
Chemical   component
SiO2	79-82%
B2O3	8-14%
Na2O	2-4%
Al2O3	1-6%