China supplier Circular Optical Prism Overhead Projector Fresnel glass Lens
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- Supplier: Shanghai Longway Special Glass Co. Ltd.
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Product Overview
Description
China supplier Circular Optical Prism Overhead Projector Fresnel glass Lens
Product Description
| Name | Glass lens and cover and shade |
Material | Borosilicate glass or Soda lime glass |
| Diameter Tolerance | +0/-0.5 mm |
| Thickness Tolerance | +/-0.2 mm |
| Processed | By Molding |
| Working temperature | Resisting high temperature shock |
| Surface Quality | Clear and smooth |
| Transmission | 90-92% for visible light |
| Tempering | Available |
| Usage | Opticl system, Lighting system,Electronic apparatus,e.g Lamp cover, Lamp shade, Glass cover, Glass Shade, Light shade, Light cover, Glass lens, LED lens, Reflector lens, Sight lens, Front lens |
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