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Dehydroxyl (baked) Ozone Free Quartz Glass Tube |
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| OD range Ф2.2mm - Ф80mm, with clear surface and slight purple cut surface. The product blocks wavelenghth <220nm, while transmit over 87% in 253.7nm. Good for all kinds of germicidal lamps. |
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Low Hydroxyl (vacuum baked) Ozone Free Quartz Glass Tube |
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| Low OH content is available upon request. |
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UV transmittance(%) |
OH Content
(
ppm ) |
Type
comparision |
|
190nm |
253.7nm |
| Dehydroxyl Ozone Free Quartz
Tube |
- |
≥87 |
<15 |
baked, GE219,
PH303, Ovisil471
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Ozone free UV germicidal Lamps etc |
- |
≥87 |
≤5 |
GE291A,
PH303ND, Ovisil472 |
Ozone free UV germicidal Lamps etc
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Low hydroxyl Ozone Free Quartz
Tube |
- |
≥87 |
≤3 |
GE291A,
PH303ED, Ovisil474 |
| - |
≥88 |
≤1 |
GE291A,
PH303SD |
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Transmittance curve for Ozone Free Quartz Tube |
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