Optically Clear Resin: OCR - Development technology - Kyoritsu Chemical & Co., Ltd.
Amazon.com: Art 'N Glow Epoxy Resin for Clear Casting and Coating - 2 Gallon Kit - Perfect for Molds, Crafts, Tumblers, Jewelry, Wood - Food Safe, Bubble Free, and Made in The USA
Clear Casting And Coating Epoxy Resin – Art 'N Glow