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Daqo - Model N-Type -Solar-grade Polysilicon
No-need-to-cleaning or after-cleaning meets the requirements for direct use. The depth of surface particle dimples is less than 20 mm, and the depth of internal loose structure is less than 20 mm.
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Polysilicon is a complex specialty chemical process requiring years of experience with proprietary know-how
Completely closed loop system
- More efficient use of raw materials
- Less electricity consumption
- Less pollution
- Recycling and reuse of hazardous chemicals
Hydrochlorination technology
- Adopted in Q3 2015
- Compared to traditional hydrogenation process, chemical reactions take place under much higher pressure and at lower temperatures, leading to:
- Less electricity consumption
- Higher conversion rate
Proprietary distribution control system
- Tight quality controlReduce process related variations
- Improve productivity