Sn2+ ≥ 300g/lMethyl sulfonic acid ≤ 10%Fe ≤ 5PPmCl- ≤ 10ppmSO42- ≤ 30ppmPb ≤ 50ppmCd ≤ 2ppmZn ≤ 2ppmNi ≤ 2ppmCu ≤ 2ppmDensity:1.55g/ml
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