Glass loaded epoxy laminating paste is an easy and dependable way to bolster epoxy composite moulds. Normal gelcoat formulated for use with polyester resins and vinylester resins isn't going to adhere to epoxy surfaces, even though epoxy adheres pretty nicely if applied to polyester resin surfaces. Epoxidized vegetable oils are https://www.propanraya.com/id/produk/epoxy-fast-dry