Tempered soda lime glass disc grinded and polished.
According to DIN8902, compressive stress with temperatures up to max.150°C,
without restriction at low temperature area.
| Material | Soda Lime Glass |
|---|---|
| Standard | DIN8902 |
| Size | Diameter 10-420mm |
| Thickness | 1-19mm |
| Edge | Grind or Polish |
Diameter: 10-420mm.
Thickness: 1-19mm
Gerneral Toelrance :
Diameter (D):
up to 150mm: ± 0.5 mm
from 150 to 200mm: ± 0.8 mm
over 200 mm: ± 1.0 mm
Thickness (s)：
from 10 to 19 mm：+ 0.5 – 0.25 mm
Flatness (e):
D ≤ 100 mm: 0.05 mm
100 mm < D ≤ 150 mm: 0.08 mm
150 mm < D ≤ 200 mm: 0.12 mm
D > 200 mm: 0.15 mm
Parallelity (p):
D ≤ 100 mm: 0.20 mm
100 mm < D ≤ 200 mm: 0.25 mm
D > 200 mm: 0.30 mm
Composition
| SiO2 | Na2O | CaO | MgO | Al2O3 | K2O | SO3 | Fe2O3 |
| 72.6% | 13.9% | 8.4% | 3.9% | 1.1% | 0.6% | 0.2% | 0.11% |
Physical & Chemical Data
| 1 | Density ρ | 2.52g/cm3 @24℃ |
| 2 | Transmissivity | 91% |
| 3 | Water resistance | ISO0719 III |
| 4 | Acid resistance | ISO0195 III |
| 5 | Alkali resistance | ISO0695 III |
| 6 | Max Working Pressure @24℃ | 35bar (Corrosive medium) |
| 7 | Flexural Strength | 165/mm2 |
| 8 | Surface compressive stress | 77N/mm2 |
| 9 | Coefficient of expansion (20-300) | ≤8.5*10-6/K |
| 10 | Max Working Temperature | 150℃ |
| 11 | Thermal Shock Resistance | △T 50K |
| 12 | Softening Point | 715±10℃ |
| 13 | Annealing Point | 550±10℃ |
Copyright ©2023 WT Glass Industrial Limited | All Rights Reserved
We will contact you within 1 working day, please pay attention to the email from info@wtglass.com
We are here for our customers, right from the very beginning
