1. kerosene, derusting method: first dentifrice with a cloth dipped in kerosene oil again, and then use the powder cleaning, rust can be removed.
2. vinegar to embroidery: bronze utensils on the green patina, cloth dip vinegar, plus the amount of salt or cuttlefish bone meal wipe, can be removed.
3.: if the copper salt descaling equipment on the corrosion is very serious, the sea salt on the melted wax in the open, wipe with this solution, can eliminate rust.
4. lemon juice: if the copper utensils rust rust, lemon juice, salt can wipe removed, if you want to make it more bright, available pack of cigarettes or tinfoil sawdust add some salt to wipe, the effect is very good.
5. talc, a rust method: 160 grams of fine wood, 60 grams of talcum powder, 240 wheat bran and together, add 50 grams of vinegar, mix into a paste, painted on the rusty bronze, the wind blow dry, you can remove the rust.