| 摘要 |
PURPOSE:A lubricating composition, containing liquid paraffin and polyisobutene at a specific ratio and capable of smoothly carrying out the delivery and withdrawal of a material to be packaged by rotating operation and useful for rouge, lipstick, etc. CONSTITUTION:A lubricating composition consisting of (A) 25-75wt% liquid paraffin, preferably having 30-90 cSt kinematic viscosity at 37.8 deg.C and (B) 75-25wt% polyisobutene, preferably having 4,000-15,000 cSt kinematic viscosity at 37.8 deg.C and 700-1,200 average molecular weight. |
