Sodium stannate

Sodium stannate (CAS 12058-66-1 ), also known as disodium tin trioxide, is an inorganic tin salt used industrially as a catalyst precursor, flame retardant additive, and surface treatment agent. It delivers tin chemistry in a water-soluble, alkaline form suited to wet processing and formulation environments. In textile and leather finishing, it functions as a mordant and weighting agent. This chemical improves dye uptake and fabric density in wool and silk processing. Polymer and plastics formulators incorporate it as a stabilizer and flame retardant additive for various industrial uses. Its tin content contributes to char formation and thermal stability in PVC and related systems. The paper industry uses it in surface sizing and coating formulations to improve wet strength and stability. In construction-related coatings and cement chemistry, it acts as a setting modifier and corrosion-inhibiting additive. These specialty cementitious systems benefit from its unique chemical properties. The product is supplied as a white to off-white crystalline powder or granular solid. It is available in anhydrous form and as the trihydrate, with the anhydrous grade preferred for moisture sensitivity. Technical and industrial grades are the standard market offering for most buyers. Purity specifications typically range from 95% to 99%+ depending on the specific application requirements of the client. Contact us for supply of Sodium stannate Request Quote

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