Abstract
The preservative properties of the dispersion media and the greases were evaluated by qualification test methods: according to the weight loss of a steel panel (g/m 2) in an SO 2 corrosion cabinet [4], and according to the percentage area of corrosion damage on the faces of elements of a multielement corrosion probe exposed in seawater [5]. The model lithium and hydrocarbon greases that were used in this work contained (respectively) 10% LiSt and 20% ceresin-80.* Dispersion media with viscosities from 3.8 to 400 mm2/sec were obtained by blending Grade Z diesel fuel (GOST [All'Union State Standard] 305-82) with S-220 cable oil (GOST 8463-76); dispersion media with viscosities of 400-1100 mm2/sec were obtained by compounding the cable oil with up to 3.2% (by weight) of P-20 polyisobutylene, with a molecular weight of 20,000.
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