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NVG Green Glass (Phosphate Glass) |
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- NVG Green is a special filter for absorbing infrared rays.
- NVG Green is used with an orange filter.
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Properties
| Density(kg/m3) |
2.71×103 |
| Thermal expansion coeff(×10-7/K) |
101 |
| Strain point(degreeC) |
463 |
| Annealing point(degreeC) |
495 |
| Glass transition point(degreeC) |
490 |
| Deformation point(degreeC) |
565 |
| Softening point(degreeC) |
595 |
| Water resistance(*) |
Level 3 |
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(*):Based on the standard of "the glass manufactures association of Japan". |
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OKAMOTO GLASS Co., Ltd.
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