‌Material‌
- ‌Borosilicate Glass‌:
  - High resistance to thermal shock.
  - Excellent chemical durability.
- ‌Float Glass‌:
  - Smooth, uniform surface.
  - Good optical clarity.
‌Quality‌
- Consistent thickness and dimensions.
- Free from defects such as bubbles or inclusions.
‌Function‌
- ‌Sight Glass‌:
  - Visual inspection of fluid levels.
- ‌Glass Disc‌:
  - Used in various optical and mechanical applications.
‌Specific Application‌
- Industrial equipment, automotive, and scientific instruments.
‌Advantage‌
- ‌Tempered Process‌:
  - Increases strength and thermal resistance.
  - Reduces risk of breakage and improves safety.
- ‌Borosilicate & Float Glass‌:
  - Combines durability with optical clarity.
  - Versatile for multiple applications.

Item	Glass disc, Glass wafer, Glass substrate, Sight glass
Material	Optical glass, Qurartz glass, Pyrex, borosilicate glass, Float glass, borofloat
Diameter Tolerance	+0/-0.2 mm
Thickness Tolerance	+/-0.2 mm
Processed	By Cutting,Grinding,Tempering, Polishing
Working temperature	Resisting high temperature shock
Surface Quality	80/50,60/40,40/20
Material Quality	No scratches and air bubble
Transmission	>92% for visible light
Chamfer	0.1-0.3 mm x 45 degree
Surface Coating	Available
Usage	Lighting system, industrial area.

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