Product information
NHG can supply the spherical preforms between φ3-80mm and can offer the products of other specification according to the clients’ requirements.
Product information
Form of supply
Technical information| Category of indicators | White light spherical preform | White light bulb | ||
| diameter | φ3-φ80mm | φ0.8-φ15mm | ||
diameter tolerance | ±10μm | ±5μm | ||
| thickness tolerance | ±10μm | |||
ovality | 3μm | |||
surface defects | φ3-φ40mm：20-10 | 20-10 | ||
| φ40-φ80mm：40-20 | ||||
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| Category of indicators | Infrared spherical preform | Sulfur system ball | |
| diameter | φ3-φ50mm | φ3-φ15mm | |
| diameter tolerance | ±10μm | ±5μm | |
| thickness tolerance | ±20μm | ||
| ovality | 5μm | ||
| surface defects | 40-20 | 40-20 | |
Major applicationAdministrative Hotline：0710-334-9999
Marketing Hotline：139-8637-2009
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