chemical 7NMEMC Virgin Poly Chunks -High purity and High resistivity
Description:ParameterPXO3NWProduct packaging requirements5kg bag – 30 kg box360 kg palletmaterial packaged in single bagSize1-650 gramsResistivity N type≥ 300 ohm*cmResistivity P type≥ 3000 ohm*cmDonors content (P, As, Sb)P: <= 0.3 ppbaAs: <= 0.1 ppbaAcceptors content (B, Al)B: <= 0.1 ppbaCarbon<= 200 ppba  Bulk metals (Fe, Cu, Ni, Cr, Zn, Na): Na<= 1 ppbaCr<= 0.1 ppbaFe