Qingdao Vital Glass Co., Ltd AdvantageExperience:More than 20 years production and technology experience and 10 year's exporting experience.
Certificate: CE, ISO9001, AS/NZS2208:1996, SGS. EN12150. GB11614-2009
Cover glass:
Produced by high clear glass sheet, no bubble, no scrape, clear.
Thickness 0.13-0.17mm
1) 18 x 18mm
2) 20 x 20mm
3) 22 x 22mm
4) 24 x 24mm
5) 24 x 32mm
6) 24 x 40mm
7) 24 x 50mm
8) 24 x 60mm
50PCS/box or 100 PCS/box
optical properties | transmittance |
refractive index | 1.5168 |
abbe number | 63.96 |
Mechanical properties | Standard value |
Density | 2.51g/cm3 |
knoop hardness HK100 | 610kg/mm2 |
Young's modulus E | 82 x 103kN/mm2 |
Poisson's ratio μ | 0.21 |
Thermal properties | Standard value |
Softening point | 719°C |
Annealing point | 657°C |
Strain point | 624°C |
Thermal conductivity | 1.1W/m.°C |
Specific heat | 879J/kg.°C |
Coefficient of thermal expansion | 7.1x10E-6/k |
chemical properties | Standard value |
Hydrolysis | grade II |
acid resistance | grade I |
alkali resistance | grade II |