Customized Tempered Borosilicate Glass Disc and Sight Glass Transparent

Brand Name:LONGWAY
Certification:ISO9001
Model Number:LW019
Minimum Order Quantity:500 pieces
Payment Terms:D/P,T/T,Western Union
Place of Origin:Shanghai, China
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Verified Supplier
Location: Shanghai Shanghai China
Address: Rm. 2111, Bldg. A, Tomson Center, No. 188, Zhangyang Rd., Shanghai, China
Supplier`s last login times: within 1 hours
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Product Details



Tempered sight glass and glass disc from boroiliscate glass and float glass


  • ‌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.


ItemGlass disc, Glass wafer, Glass substrate, Sight glass
MaterialOptical glass, Qurartz glass, Pyrex, borosilicate glass, Float glass, borofloat
Diameter Tolerance+0/-0.2 mm
Thickness Tolerance+/-0.2 mm
ProcessedBy Cutting,Grinding,Tempering, Polishing
Working temperatureResisting high temperature shock
Surface Quality80/50,60/40,40/20
Material QualityNo scratches and air bubble
Transmission>92% for visible light
Chamfer0.1-0.3 mm x 45 degree
Surface CoatingAvailable
UsageLighting system, industrial area.





China Customized Tempered Borosilicate Glass Disc and Sight Glass Transparent supplier

Customized Tempered Borosilicate Glass Disc and Sight Glass Transparent

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