1. Dia: 40--55 for fog light, HID lamp, LED lamp and other equipments.
2. Raw material: Borosilicate glass; ND (refractive index)= about 1.474
3. Temperature tolerance range: -40 ° C----150° C
4. Coefficient of hot expansion (CTE): 3.36*10-6
5. Processing: By design, Molding, Grinding, Polishing, inspection, testing, packing, etc
6. Surface quality: Optical surface quality and well controlled tolerance
7. Inside quality: Clear and transparent, no mold marks, no inside bubble and dirts
8. Appearance Inspection:
Including pock, bubble, scratch, edge quanlity, surface roughness, inside dirts, fringe, small circle, etc
9. Size Inspection:
Outer diameter, inside diameter, center thickness, lip size etc.
Measuring instrument: Senior vernier caliper and 3D tester
10. Test:
Optical property test: DSH 2000 test system
Internal stress test: WYL-2 internal stress tester
ND test: WY1A ND tester
11. Application:
Aspheric lens are mainly used in fog lamp, HID projector lens, LED lamp.
Such as BMW, Benz, Audi, Volvo, Honda VW etc. It is also suit to Other electronics equipment
12. We can well finish the product development according to samples or CAD