A general-purpose resin for use on moulds, repairs, laminating and linings. Provides a strong waterproof light weight end product. Polyester resin is not compatible with epoxy materials. It is typically used with Chopped Strand Mat or with our various other types of cloth and tapes. This resin is not clear or colourless. Pigment can be added to resin if a particular colour is desired. This resin requires Catalyst MEKP to enable it to harden (SOLD SEPARATELY) Catalyst guide (equates to 2% mixture plus extra if needed) : 250ml of resin can be purchased with 10ml MEKP Catalyst 500ml of resin can be purchased with 20ml MEKP Catalyst1L of resin can be purchased with 30ml MEKP Catalyst4L of resin can be purchased with 100ml MEKP Catalyst 10L Of resin can be purchased with 200ml MEKP Catalyst20L of resin can be purchased with 500ml MEKP Catalyst