U-Pol Isopon P.40 Glass Fibre Compound
U-Pol Isopon P.40 Glass Fibre Compound is a two part chemical paste designed to bridge holes and rust in steel, glass fibre etc. The compound forms an extremely hard durable surface that can be sanded and shaped as required. Can be covered by P38 polyester filler or painted over directly.
Sold with spreader and hardener.