| 摘要 |
FIELD: lubricant materials. ^ SUBSTANCE: invention provides lubricant to prevent dust formation on temporary roads in open-cast mines, in strip mining of mineral wealth, as well as to prevent sticking, freeze-in, and freezing of wet freely flowing materials if metallic surfaces of mining and transport equipment. Lubricant contains 1-50% thermal cracking residue and 50-99% low-freezing aromatized petroleum solvent "Nefras" boiling between 150 and 330°C. ^ EFFECT: improved lubrication and environmental properties. ^ 2 tbl, 8 ex |
