Features:
1.This kinds of clear heat-resistant glass tube is highly resistant to thermal shock and heat
2.Resistant to water,strong acids,alkali and saline solutions
3.Factory outlets and export direct selling
4.It is manufactured by modern technology
5.Conform to major standards(E.g.DIN ISO 3585 and ASTM E438 Type 1,Class A)
Size:
1.Wall thickness:0.6mm-12mm
2.Length:0-2300mm
3.Inside diameter:10mm-500mm
Color: transparent
Advantage:
1:low expansion coefficient
2:Highly resistant to thermal shock and heat
3.Resistant to water,strong acids,alkali and saline solutions
Usage:
1.Solar collect
2.Chemical industry
3.Electrical light source
4.Labware
5.Alternative energy
6.Environmental technology
7.Microelectronics and medicine
Chemical properties:
Chemical Composition | Physical Properties |
SiO2 = 80.6% | Coefficient of expansion (20°C–300°C) 3.3 x 10-6 K-1 |
B2O3 = 13.0% | Density 2.23g/cm3 |
Na2O = 4.0% | Refractive index (Sodium D line)1.474 |
Al2O3 = 2.3% | Dielectric constant (1MHz, 20°C) 4.6 |
Optical Information | Specific heat (20°C) 750J/kg°C |
Refractive index (Sodium D line) =1.474 | Thermal conductivity (20°C) 1.14W/m°C |
Visible light transmission, 2mm thick glass = 92% | Poisson’s Ratio (25°C – 400°C) 0.2 |
Visible light transmission, 5mm thick glass= 91% | Young’s Modulus (25°C) 6400 kg/mm2 |
clear heat-resistant glass tube