Autosol High Performance Marine Compound frees fibreglass gelcoat surfaces from heavy abrasive marks, dirt and damage caused by weathering, water pollution and sunlight. This is a fast sanding polish which is perfectly suited for the restoration of all surfaces and achieves an absolute high gloss. Suitable for removing grinding marks (P1.200 – 2.000). Silicone-free. No pens. Leaves no scratches/swirl marks.