Two section epoxy that is UL examined According to Typical 746A, formulated to improve arc resistance. Bonds perfectly to a number of substrates. Ordinary gelcoat formulated for use with polyester resins and vinylester resins would not adhere to epoxy surfaces, however epoxy adheres pretty properly if applied to polyester resin https://www.propanraya.com/id/produk/epoxy-fast-dry