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buy silicon material and IC wafer(wasted)

  • China China  
  • Last Updated:
    Posted on: 31 Jan 2023

RFQ Details

1. Name: Solar Grade Polycrystalline Silicon Material
Minimum Silicon Purity: 99.9999% (Min)
Quality Standard of Microelement :
Item Unit Specification
Donnor P + As ppba less than 6.0
Acceptor B+AL ppba less than 2.0
C C ppma less than 1.0

Life-time Top us
Tail us
Resistivity Ar ohm cm more than58

2. Name: Silicon Top/Tail (Solar grade and singlecrystalline silicon materials)

3. Name: Pot Scrap (Solar grade and singlecrystalline silicon materials)

4. Name: IC grade singlecrystalline silicon wafer(wasted):
Minimum Silicon Purity: 99.9999% (Min)
Main Quality Standard:
1. Surface No circuit , no rubber and has been washed by acid liquid
2. Resistivity >0.5 ohm cm