WT GLASS manufacture rectangular sight glass with different materials such as soda lime glass, borosilicate glass, quartz glass etc. with thickness range 2-85mm to meet different environmental conditions requirement for temperature and pressure. The working temperature varies from 150 °C to 1100 °C.
| Material | Borosilicate Glass, Quartz Glass, Soda Lime Glass |
|---|---|
| Size | Length or Width: 10-400mm |
| Thickness | 2-30mm (canbe tempered); 30-85mm (cannot be tempered) |
| Edge | Grind or Polish |
Material: soda lime glass, borosilicate glass, quartz glass optional.
– Soda lime glass: widely available, cheaper, working temperature up to 150 °C, DIN8902.
– Borosilicate glass: particularly suitable for aggressive environments (acids, alkalis, water vapor), working temperature up to 350 °C, DIN7080.
– Quartz glass: working temperature up to 1100 °C.
Size: 10-420mm.
Thickness: 2-30mm (canbe tempered); 30-85mm (cannot be tempered)
Gerneral Toelrance :
Length & Width (l):
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
20-85mm: ±0.5mm
Flatness (e):
l≤ 100 mm: 0.05 mm
100 mm < l ≤ 150 mm: 0.08 mm
150 mm < l ≤ 200 mm: 0.12 mm
l > 200 mm: 0.15 mm
Parallelity (p):
l ≤ 100 mm: 0.20 mm
100 mm < l ≤ 200 mm: 0.25 mm
> 200 mm: 0.30 mm
Edge: Grind or polished
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