Borosilicate glass 33

Flat Borosilicate 3.3 Float Glass Sheet We also do the follows to customers’ requirements(가공품도 제공가능합니다): Cutting(절단) Round corner(환면코너가공) Round edge(환면가공) Surface fine polishing(표면정밀가공) Hole drilling(홀가공) Coating(코팅) Surface printing and sand bla Technical Data(기술자료): Density(밀도) ρ 2.23±0.02g/cm3 Thermal expansion coefficient(열팽창계수) (0-300) 3.3±0.1×10-6K-1 Softening point(연화점) 820±10 Strain point(응력점) 516±10 Caloricity (20-100) 0.82KJ × (kg×K)-1 Thermal coefficient(열계수) 1.2W×m×K-1 Thermal shock resistance(열충격저항) 180K Strengthening(강화) type 300K Identical temperature difference 100K Strengthening type 300 K Maximum working temperature Short time(<10h): 500 Long time(>10h): 450 * Chemical Performance (열 실험) Water resistance ISO719/DIN12111 HGB1/ISO720 HGA1 Acid resistance ISO1776/DIN12116 1 Alkali resistance ISO695/DIN52322 A2 * Optical Property (광학적 실험) Refractive index Nd: 1.47384 Transmittance spectrum curve * Electrical Property (전기적 특성) 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 List of Thickness and Tolerance (두께별 오차 목록) Thickness（mm） Tolerance（mm ） 1.50 ±0.20 2.00 ±0.20 2.25 ±0.20 2.75 ±0.20 3.0 ±0.20 3.30 ±0.20 3.80 ±0.15 4.00 ±0.15 5.00 ±0.15 5.50 ±0.15 6.00 ±0.15 6.50 ±0.20 7.50 ±0.30 8.00 ±0.30