Silicon Metal 3303

Silicon Metal 3303 is a high-purity industrial silicon grade with Si ≥ 99.37% and strictly controlled Fe ≤ 0.30%, Al ≤ 0.30%, Ca ≤ 0.03%. Its balanced impurity profile makes it the preferred silicon additive for high-end aluminum alloys, silicone rubber/resin manufacturing, and metallurgical deoxidation. We supply Silicon Metal 3303 with stable chemistry batch-to-batch, uniform 10–100 mm lump size, low fine powder, and full mill test certificates. Combined with our in-house Ferro Silicon 75, Ferro Manganese, and Silicon Slag 40/50/65% production lines, we offer one-stop ferroalloy sourcing for steel mills, foundries, and aluminum smelters worldwide.

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