| 摘要 |
PURPOSE: A grease composition is provided which has improved abrasion-resistance, heat-proof property, cold resistance, low torque property and adhesive property at low temperature and is thus applicable to car and space aviation fields. CONSTITUTION: In the grease composition comprising a base oil, a thickener and an additive, the grease composition contains: (i) 61-47 wt.% of silicone oil having a viscosity of 20,000-30,000 centiStokes as a base oil; (ii) 35-40 wt.% of polytetrafluoroethylene as a thickener; (iii) 3-8 wt.% of silica aero-gel; and (iv) 1-5 wt.% of antimony dithiocarbamate as an excessive pressure additive.
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