FIELD: protective preservation materials, for protection from corrosion of internal surfaces under effect of factors of environment. SUBSTANCE: protective additive contains, wt.%: calcium sulfonate (S-150) 10-20; urea succinimide 5-10; the balance, nitrated oil. EFFECT: higher protective properties of additive with its lower content in oils. 2 tbl
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Authors
Dates
1999-09-10—Published
1998-02-12—Filed