Package: 25kg

Product description: PC-4220S Product Description PC-4220S is a dibutyltin oxide（DBTO）. CAS REGISTRY NUMBER [ 818-08-6 ] Specifications Appearance: White powder % Tin 47.8 – 48.5 % Loss on Drying ≤ 0.5 % Chloride ≤ 0.2 Applications PC-4220S is the catalyst used in the aqueous cathodic electrodeposition of urethane coatings, and can form a stable dispersion system in the paint. The catalyst will go into the solidified carbamate coat, so it will not affect the appearance and property of the final coat. PC-4220S is widely applied in automobile and other industrial sections. Packing 25 kg metal or paper drum