OSWAL
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Trusted By100+ Leading Industries
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Safety Eyewear Manufacturer · Since 1983 · Davanagere, Karnataka
Technical
Data Sheet
| INDUSTRY |
|---|
| Iron & Steel |
| Foundries & Smelters |
| Glass Manufacturing |
| Ceramics & Kilns |
| Non-Ferrous Metals |
| Cement Plants |
| Chemical Processing |
| Power Generation |
| APPLICATIONS |
|---|
| Fixed peep hole observation ports in furnace walls |
| Kiln observation windows in ceramic and glass industries |
| Monitoring of molten metal processes in steel plants |
| High-temperature process chambers and reaction vessels |
| Infrared-shielded observation panels in smelting operations |
Standard / Certifications: CLI Approved · IS 5983 / 1980
| COMPONENT | MATERIAL | ADVANTAGE |
|---|---|---|
| Optical Glass | Cobalt Blue Optical Glass | Precision-manufactured to selectively absorb infrared radiation and intense visible light from furnace openings — provides clear, undistorted process view |
| Glass Edge | Ground and polished edges | Safe handling with no sharp edges — secure fit in peep hole frames and fixtures |
| LENS / GLASS OPTIONS | OPTICAL CLASS | IMPACT RESISTANCE | THICKNESS | WEIGHT |
|---|---|---|---|---|
| Cobalt Blue Optical Glass — custom sizes available | Class 1 | Yes (CLI Approved) | 3 mm (standard) — other thicknesses available on request | Varies by dimension |
| Modifications | Thread, elastic band, or any other (confirm before supply to all) | |||
| KEY FEATURES |
|---|
| OSWAL Cobalt Blue Peep Hole Glass is a precision optical glass component designed for installation in fixed or portable furnace observation ports. It enables safe, distortion-free monitoring of high-temperature processes by filtering intense infrared and UV radiation from furnace interiors, molten metal, and smelting chambers. |
| ›Cobalt blue optical glass — selectively filters excessive infrared and UV radiation from furnace openings |
| ›Glass Thickness: 3 mm (custom thicknesses available on request) |
| ›Precision-ground edges for safe handling and secure mounting in peep hole frames |
| ›Provides clear, optical-quality view of furnace interiors without harmful glare |
| ›Superior heat resistance for continuous high-temperature exposure |
| ›Long service life with scratch-resistant surface |
| ›Used in fixed observation ports, monitoring windows, and portable peep hole frames |
| ›Embossed OSWAL branding available on frame fixtures |
| STORAGE |
|---|
| Do not store in direct or high heat / sunlight as prolonged exposure may distort the frame geometry or lens tint. Suitable for dark storage for up to 2 years. Can be stored and transported in original manufacturer cartons at ambient temperature (0°C to +30°C). |
| CLEANING |
|---|
| Clean the lens using the soft cloth supplied with the product. For field cleaning, use a dry, lint-free soft cloth. Do not use solvents, abrasives, or compressed air on the lens surface. |
| PACKING |
|---|
| 10 / 12 / 15 nos per inner box — 300 / 400 / 1000 nos per master carton |
Davanagere, Karnataka, India — Since 1983
E-mail: oswaloptical@yahoo.co.in
Website: www.oswalindustries.com
Tel: +91 9535354312