Flat Round Quartz Tempered Sight Glass

1. The technical force of our company is rich. We have rich experience to manufacture optical thin quartz glass plate.

2. We have the competitive price for optical thin quartz glass plate.

3. Dimension tolerance: +/-0.01 - +/-0.2mm( according to the requirement)

4. Surface quality :40/20 60/40 80/50

5. Thickness: 0.8mm - 30mm (according to the requirement)

6. Transmittance over 90%

Product Feature

1.rich experience for tempered glass

2.good surface quality

3. no bubble

4. the competitive price

5. good public praise

6. specialized production

Thermal properties	Standard value
Transformation point	1280°c
Softening point	1780°c
Annealing point	1250°c
Specific heat	670J/kg.°c
Thermal conductivity	1.4W/m.°c
Index of refraction	1.4585
Thermal processing temperature	1750 - 2050°c
Short-term use temperature	1300°c
Long-term use temperature	1100°c