| 摘要 |
A flux for tinning and soldering by low-melting solders contains a mixture of ammonium maleinate, succinic acid, corrosion inhibitors, solvent, carbamide, and the ingredients are taken in the following ratio (wt. %)succinic acid 3.0-5.0carbamide2.0-4.0ammonium maleinate 0.1-0.2benzotriazole 0.5-1.5ethyl alcohol 70% the rest (up to 100 %). |
