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Polycarbonate Viewing Window / PC Sight Glass

Safety Rounded Edge Transparent Sight Window Panel
Safety Rounded Edge Transparent Sight Window Panel

Product Features

Metal Bezel Clamping (Recommended)Fit rubber gasket on machine sheet metal cutout. Place PC window from front, fasten metal retaining frame on rear side to clamp the printed black border. No drilling on PC panel, uniform pressure, good IP sealing, easy replacement.

Screw Fixing with Pre-drilled HolesDrill mounting holes only on the printed black frame area. Hole diameter shall be 2~4mm larger than screw for thermal expansion allowance. Use rubber washers, do not over-tighten screws.

Adhesive BondingMount by heavy-duty double-sided foam tape plus neutral sealant. Suitable for light-load, non-demount applications. Not for heavy vibration or high temperature equipment.

Aluminum Groove InsertionSlide PC panel into prefabricated U-type aluminum profile groove with sealing strip. Clean look without exposed fasteners.


Hotline: +86 134 5150 4328
Product Details
  • Specification
  • Features
  • Application
  • FAQ
  • This sight window panel features smooth rounded corners to prevent cuts. The high-transparent central area allows clear visual inspection. With printed black border, it achieves good sealing and neat look. Certified FR Type II safety material provides excellent impact resistance. Smooth surface is waterproof and simple to wipe. Custom dimensions, thickness and logo printing are supported to fit various equipment.

  • Widely used for equipment observation windows, machinery protective covers, kitchen appliance panels, inspection hatches, industrial cabinet sight windows.

  • How to mount the PC sight window? Multiple options: metal bezel clamping, screw fixing, adhesive, aluminum groove. Clamp only on black printed border, use gasket for thermal expansion.

    Is it safety certified? Yes, FR Type II safety certification, high impact resistance.

    Can I customize? Custom size, thickness, shape and silk-screen logo are supported.

    How to clean? Soft cloth with neutral cleaner. Avoid abrasive tools & strong solvents.

    What is working temperature? -40℃ ~ +120℃ continuous use.


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