Dynatron Fiberglass Resin 694, 1 gal, 4/Case Dynatron Fiberglass Resin is a durable, professional-quality polyester resin for repairing and restoring a range of materials including metal, wood and fiberglass in auto body repairThis resin accepts most auto and marine paints, including gel coatsWith Dynatron Fiberglass Mat and Fiberglass Cloth, it is ideal for repairing large rust holes in metal and repairing fiberglass parts. Product Information Brand 3M Part # 7000125054 Line Dynatron Application Small Dent Repair Origin Country USA Product Type Fillers Product InformationAccepts auto and marine paints including gel coatsDurable waterproof resin cures permanently for long-lasting repairsIdeal for filling holes caused by rust-outsResin mixed with hardener can be used by itself or with mat or clothSuggested ApplicationRepairs, resurfaces, rebuilds for metal, wood, fibreglass and masonry