| 摘要 |
<p>The invention relates to a grease composition for use at high pressures, applicable to lubricating a wide range of equipments operating in severe temperature duty (-50 ... + 350 C) and pressure (minimum 250 kgf). According to the invention, the grease composition consists of 1 ... 7% amorphous silica or 1 ... 1.5% talc, 9 ... 12% organophilic bentonite, 11 ... 20% mixture of ceresine and basic mineral oil or polytetrafluoroethylene, 60 ... 75% naphthenic mineral and/or paraffine oil, 2.5 ... 5% dimethylcetone, 1 ... 8% polyfunctional additives, 8 ... 28% additive for high pressures, the percentage being expressed by weight.</p> |
