Suzhou Ming Sheng Tin Tin waste recycling

Products 1, electrical conductivity, thermal conductivity, excellent performance, fast on the tin. 2, good wetting properties. 3, Rosin content is moderate, the operation will not splash bomb rosin. 4, rosin announced evenly, no broken solder rosin core in the case. 5, winding uniform, will not entangle traces. 6, the nature of the residue and less product attributes tip tin (7440-31-5) when soldering: melting point 231.9 ℃ Boiling point 2270 ℃ density of 7.3 g / cm3 Flash Point 2270 ℃ traits: white tin (β-type), gray tin (α type) and brittle tin (γ level) three allotropes, soft and highly ductile Solubility: soluble in concentrated hydrochloric acid, sulfuric acid, aqua regia, concentrated nitric acid, hot caustic solution, slowly soluble in cold dilute hydrochloric acid, dilute nitric acid and hot dilute sulfuric acid, caustic solution cool, dissolve more slowly in acetic acid is mainly used in the manufacture of other instructions carbon products, friction materials, powder metallurgy oil bearing and structural materials; for the determination of arsenic, phosphates and organic synthesis, also As a reducing agent transactions since its establishment has been explained: "reputation-based, seek sincere cooperation and achieve win-win" for the purpose of