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Oven glass-borosilicate float glass 3.3
Dimensions
1150mm×850mm
1150mm×1700mm
others upon request
Available thickness
2mm--12mm ,15mm, 20mm
Product Characteristics
Physical Properties
Density (at 25) | 2.23±0.02g/3 |
Modulus of elasticity | 68kN/mm2 |
Thermal Data
Co-efficient of expansion(20-300) | 3.3±0.1×10-6 |
Softening point | 820±10 |
Strain point | 516±10 |
Heat conductivity at 90 | 1.2W/mk |
Caloricity | (20-100) 0.82KJ × (kg×K)-1 |
Thermal shock resistance Strengthening type | 180K 300K |
Identical temperature difference Strengthening type | 100K 300 K |
Maximum working temperature Short time (<10h): Long time (>10h): | 500 450 |
Chemical Performance
Water resistance | ISO719/DIN12111 HGB1 ISO720 HGA1 |
Acid resistance | ISO1776/DIN12116 1 |
Alkali resistance | ISO695/DIN52322 A2 |
Electrical Property
Specific resistance lgρ | 8.0Ω×cm at 250 |
Dielectric dissipation fraction | 38×10-4 |
Dielectric constant | ε=4.7 |
electric oven glass