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Model Xin polycrystalline S2 series -Photovoltaic Wafer
S2H1: 157±0.25mm, S2H6: 158.75±0.25mm. Ingot casting by semi-melting method. Low oxygen, carbon concentration. Low metal impurity concentration. Low density of defects such as dislocations, stacking faults, and grain boundaries. Uniform impurity distribution.
