Flat Borosilicate 3.3 Float Glass Sheet (Round Disc)

Thermal bending

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

We also do the follows to customers' requirements:

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

Available Thickness (mm):

Mechanical Performance
Density  ??              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??  8.0??xcm at 250
Dielectric dissipation fraction tan ?? (1 megacycle at 20): 38x10-4
Dielectric constant ??=4.7

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

The quality is equivalent with Schott's Borofloat. We are selling it to European Countries and U.S.A with excellent performance.