3M Super Duty Rubbing Compound 05955 1 gal (10.6 lb) 3M? Super Duty Rubbing Compound aggressively removes heavy scratches, marks and oxidation from aluminum and gelcoats, ideal for boats and watercraft. It can be applied by hand or using a rotary polisher, and requires only medium pressure to achieve a smooth, consistent finish ready for polishing. This heavy-cut compound stays wet for a long time, so you can cover more surface without having to reapply it. Economical liquid compound delivers a high rate of cut Compound removes 1000 and finer sand scratches Removes oxidation Formula remains wet for a long time and continues to cut with medium pressure Compound may be applied by hand or machine For industrial/occupational use only. Not for consumer sale or use.