1.There is 8%-20% tin in the solution .It appears Bright gold color
2 .Bright & soft coating ,few porosity crystal .Good deep plating ability.
Can replace Tin(II) chloride dehydrate type cyanide brass tin plating process.
3.Plating bath is non-toxic ,colorless and odorless .So, the manufacturing environment is good .
4. Additive and plating bath composition belongs to normal chemicals .It is Little harmful which helps to improve manufacturing environment .