| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: corrosion inhibitor is used for zinc-plated, tin-plated and aluminium pipes during drilling operations. Inhibitor contains the following, wt %: ethylene glycol 27.0-36.9, sodium silicate 45,5-29,2, potassium salt of 3,5,6-trichloro-4-aminopyridine-2-carboxylic acid 27.3-33.5, and methallyl chloride 0.2-0.4. ^ EFFECT: increasing corrosion protection degree of amphoteric metals. ^ 2 tbl |
