- Contact Person : Mr. liu dong
- Company Name : Qinhuangdao Scinan Specialty Glass Company Limited
- Tel : 86-335-3286416 3286409 3286425
- Fax : 86-335-7917652
- Address : Hebei,qinhuangdao,Yaohua Glass Industrial Zone, N. Xiganglu Road, Haigang District
- Country/Region : China
- Zip : 066000
Industrial Sight Glass
Technical Data
Dimensions: 1200mm×600mm 1200mm×900mm 1200mm×1800mm other formats upon request
Available thickness: 2mm--12mm
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 |
Optical Property
Refractive | nd : 1.47384 | |||||||
Light transmission | Thickness (mm) | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Quantity | 92% | 91% | ||||||
Chemical Performance
Water resistance | ISO719/DIN12111 HGB1 ISO720 HGA1 |
Acid resistance | ISO1776/DIN12116 1 |
Alkali resistance | ISO695/DIN52322 A2 |
Electrical Property
Specific resistance lg | 8.0Ω×cm at 250 |
Dielectric dissipation fraction | 38×10-4 |
Dielectric constant | ε=4.7 |
Industrial Sight Glass