1. using IOTA-CG quartz sand 2. bubble-free inner layer with coating 3. high thermal performance 4. customization available
1. using IOTA-CG grade high purity quartz sand(SIO2≥99.99%)
2. coated inner layer with strict defect control(foreign inclusions, bubbles, bubble clusters, scratches/scuffs, structure faults, spikes, vapor clouds…)
3. high thermal performance(strong heat resistance, high transmission)
4. customization available(custom design according to drawings)
Jiangsu Huaer Opto-electronic Material Co., Ltd. offers quartz crucibles for monocrystal silicon ingot growth by the Czochralski method. Huaer is also the one and only manufacturer capable of producing quartz crucibles of varied sizes ranging from 14 to 28 inches in China.
Using the IOTA-CG grade quartz sand imported from UNIMIN(USA), our bubble-free inner layer crucibles are available for the most demanding applications. Our product is particularly favored by Canadian Solar, Xi'an LONGi, Changzhou Trinasolar and many other large scale photovoltaic enterprises in China.
The standardized specifications of our quartz crucibles are as follows:(mm)
| size(inches) | out diameter | height | wall1 thickness | wall2 thickness | wall3 thickness | redius of bottom(R) | redius of edge(r) |
| 18" | 453-460 | 318-324 | 7-8 | 8-9 | 8-9 | 500 | 120 |
| 20" | 503-510 | 350-370 | 9-10 | 9-11 | 9-11 | 508 | 90 |
| 22" | 553-560 | 380-392 | 10-12 | 10-12 | 10-12 | 558 | 120 |
| 24" | 603-610 | 405-420 | 11-13 | 12-15 | 12-15 | 609 | 120 |
| 28" | 703-710 | 405-430 | 11-13 | 12-15 | 12-15 | 709 | 120 |
Customization are available for all the above specifications.
For more information, please visit www.huaer-opto.com
20" quartz crucible for solar ingot pulling
