| 摘要 |
FIELD: cleaning compositions. SUBSTANCE: invention aims at removing surface contamination and elimination of blinding of objects of cupronickel, silver, copper, bronze, brass, and aluminium, in particular, those of household destination. Basic component of paste is naturally occurring aluminosilicate material - Cambrian clay, 40-60 wt.-% which is combined with dustlike silica, 2-10%; surfactant, 0.2- 0.3%; and water, the balance. EFFECT: simplified paste composition, reduced cost, and increased environmental safety. |
