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What’s the performance of Borosilicate Glass?

Please find the below info:

1)Dimension 600×1150mm(Max.700×2000mm)
2)Thickness 2~8mm
List of Thickness and Tolerance
Thickness mm Tolerance mm Thickness mm Tolerance mm
2.00 ±0.20 4.00 ±0.20
2.25 ±0.20 5.00 ±0.20
2.75 ±0.20 5.50 ±0.20
3.00 ±0.20 6.50 ±0.20
3.30 ±0.20 7.50 ±0.30
3.80 ±0.20 8.00 ±0.30
3)Net sized glass of strengthening can be supplied as per the customers’ requirement;
4)Glass of small cut size is available according to the requirement from customers.

Performance of the Product
1). Mechanical Performance
Density ρ 2.23±0.02g/cm3
2). Thermodynamic Performance
Thermal expansion coefficient (0-300℃) 3.3±0.1×10-6K-1
Softening point 820±10℃
Strain point 516±10℃
Caloricity (20-100℃) 0.82KJ × (kg×K)-1
Thermal coefficient 1.2W×(m×K)-1
Thermal shock resistance 180K
Strengthening type >300K
Identical temperature difference 100K
Strengthening type >200 K
Maximum working temperature Short time(<10h): 500℃
Long time(>10h): 450℃
3). Chemical Performance
Water-resistance ISO719/DIN12111 HGB1/ISO720 HGA1
Acid resistance ISO1776/DIN12116 1
Alkali resistance ISO695/DIN52322 A2
4). Optical Property
Refractive index Nd: 1.47384
Transmittance spectrum curve
5). Electrical Property
Specific resistance lgρ 8.0Ω×cm at 250℃
Dielectric dissipation fraction tan σ (1 megacycle at 20℃): 38×10-4
Dielectric constant ε=4.7
The above-mentioned specifications are in conformity with the standard of ISO3585 after inspection and detection as well as an examination by the “Quality Supervision and Inspection Center of the National Light Industry for Glass Product and, Beijing Glass & Ceramic Quality Supervision and Inspection Center”.
6). Chemical analysis
SiO2 %: 80.23
Fe2O3 %: 0.014
Al2O3 %: 2.25
Ca O %: 0.011
Mg O %: 0.0046
K2O %: 0.053
Na2O %: 4.40
B2O3 %: 12.82
Means of Processing for Customers
Cutting
Round corner
Round edge
Surface fine polishing
Hole drilling
Coating
Surface printing and sandblasting
Thermal bending