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| Home>> Products >> Windows |
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| Product name | Windows | | specification | | | Type | | | Discount | Negotiable | | Date | 2010-02-01 |
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| Describe |
Windows
| Specifications |
| Material |
Optical glass |
| Thickness |
0.5~20mm |
| Parallelism |
≥30″ |
| Surface Quality |
Up to 20-10 |
| Coating |
In accordance with drawings |
Mirrors
| Specifications |
| Material |
Optical glass |
| Diameter |
70mm×50mm |
| Thickness |
0.6mm |
| Parallelism |
1′-3′ |
| Surface Quality |
Up to 20-10 |
| Coating |
In accordance with requirement |
Graticules
| Specifications |
| Material |
Optical glass |
| Diameter |
4mm～100mm |
| Thickness |
1.5mm |
| Parallelism |
1′~10″ |
| Surface Quality |
Up to 10-5 |
Circles
| Specifications |
| Material |
Float glass |
| Diameter |
10mm～120mm |
| Parallelism |
<10′ |
| Surface form tolerance |
λ/2 |
| Width of String |
0.005mm |
| Surface Quality |
Up to 10-5 |
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