Definition
Delivered to consumer works, China
Quality
Donor impurity concentration 0.3ppba max, Acceptor impurity concentration 0.05ppba max, carbon concentration 0.4ppma max, Fe, Cr, Ni, Cu, Zn, NaBulk metal impurity concentration 0.5ppbw max, Fe, Cr, Ni, Cu, Zn, Al, K, Na, Ti, Mo, W, CoSurface metal impurity concentration 1.0ppbw max, size of broken polysilicon: 80mm-150mm, particle-induced pit depth: 5nm max, conforming to GB/T 25074—2017
Original price includes 13% VAT Rate