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Quartz crucible is good for silicon melting and ingot.
Technical Parameter: Chemical Impurities
| Type | Al | Fe | Ca | Cu | K | Na | Li | B |
| FLH422 | 16.2 | 0.6 | 0.7 | 0.05 | 0.7 | 0.9 | 0.7 | 0.2 |
| Size | OD | Height | Wall Thickness | R | r | Max Gap | ||
| W1 | W2 | W3 | ||||||
| 10 | 254±2 | 190±3 | 6.0±1.5 | 6.0±1.5 | 7.5±1.5 | 305 | 70 | 3.5 |
| 1 | 304±3 | 329±3 | 6.0±1.5 | 6.0±1.5 | 8±1.5 | 305 | 80 | 3.5 |
| 14 | 354±3 | 280±3 | 7.5±1.5 | 7.5±1.5 | 9±1.5 | 400 | 90 | 3.5 |
| 16 | 404±3 | 305±3 | 8.5±1.5 | 9±1.5 | 10±1.5 | 450 | 90 | 3.5 |
| 18 | 457±3 | 355±3 | 8.5±2 | 8.5±2 | 10±2 | 500 | 90 | 4.5 |
Opaque Quartz Crucible