Product description FAQ’S WHAT’S THE DIFFERENCE BETWEEN NO. 920 MARINE CLEANER AND NO. 631 MARINE COMPOUNDING POLISH? No. 920 Fiberglass Boat Cleaner is a medium-cut, economically designed compound best suited for the removal of gel coat staining, mild-moderate oxidation, and other surface imperfections that can be commonly remedied by hand use. No. 631 Fleetcut’s versatility combines the cut of a compound with the finish of a polish. Designed for machine use (rotary for cutting, DA for polishing) No. 631 utilizes advanced abrasives specifically engineered to remove moderate-heavy defects; oxidation, minor scratches, swirls, stains, and compound haze while leaving behind a professional, mirror finish. ONE STEP COMPOUND POLISH: Simplifies marine detailing by combining a cutting compound with a high gloss finishing polish. Saves time and money, leaving the surface smooth for the bond of a follow up wax or sealantRESTORES COLOR & GLOSS: Quickly removes stubborn oxidation and stains from marine gel coat and fiberglass to restore a deep gloss and like-new finishPROFESSIONAL & DIY USE: Designed for use with a Rotary or Dual Action Polisher – Simply dial in desired level of correction – Removes medium-heavy oxidation and up to 1200 grit Sanding Marks with a Wool Pad by Rotary. Removes Light Oxidation and Marring with a Foam Polishing Pad by DAENGINEERED ABRASIVES: Non-Diminishing Abrasive Technology Makes Collinite No. 631 Fleetcut versatile and easy to use. Longer working times allow for removal of oxidation and contaminants without scratching gel coat or fiberglass
