Detailed Product Description

Our Flat Borosilicate 3.3 Float Glass Sheet is equivalent with Schott's Borofloat.

Mechanical Performance
Density  ¦Ñ              2.23+/-0.02g/cm3
Thermodynamic Performance
Thermal expansion coefficient           (0-300) 3.3+/-0.1x10-6K-1
Softening point        820+/-10
Strain point        516+/-10
Caloricity (20-100) 0.82KJ x (kgxK)-1
Thermal coefficient        1.2WxmxK-1
Thermal shock resistance 180K
Strengthening type 300K
Identical temperature difference 100K
Strengthening type 300 K
Maximum working temperature Short time(<10h): 500 
 Long time(>10h): 450
 Chemical Performance
 Water resistance   ISO719/DIN12111 HGB1/ISO720 HGA1
Acid resistance ISO1776/DIN12116 1
Alkali resistance ISO695/DIN52322 A2
 Optical Property
Refractive index Nd: 1.47384
Transmittance spectrum curve
 Electrical Property
Specific resistance lg¦Ñ  8.0¦¸xcm at 250
Dielectric dissipation fraction tan ¦Ò (1 megacycle at 20): 38x10-4
Dielectric constant ¦Å=4.7

Available Thickness (mm):

1.50+/-0.20         4.00 +/-0.15
2.00+/-0.20         5.00+/-0.15
2.25+/-0.20         5.50+/-0.15
2.75+/-0.20         6.00 +/-0.15
3.0+/-0.20           6.50+/-0.20
3.30+/-0.20         7.50+/-0.30
3.80+/-0.15         8.00+/-0.30

We also do the follows to customers' requirements:

Cutting
Round corner
Round edge
Surface fine polishing
Hole drilling
Coating
Surface printing and sand blasting

Thermal bending