7th May 2021. GRS Adds Natural Rubber Product Range. As of the 7th May 2021 Goodwin Refractory Services (GRS) has acquired the remaining Natural Molding Rubber product lines from ight to add to the existing acquired Castaldo Silicone Rubber, …Liquid rubbers, plastics, foams, coatings and other materials perfect for cosplay costuming. Make your own long lasting helmets, armor, props, masks, replicas and more. Create high strength prop castings. Clear resins can be used to create optically clear lenses, gems and more. Coating foam with Epsilon™ Pro or Urecoat™ gives carved or sculpted foam pieces (read more)EnvironMolds Mold Making Latex 16-Oz. EnvironMolds liquid latex is a multi-use liquid rubber. It is used as a mold making rubber to make flexible and durable latex molds to reproduce life castings, cast statues, figurines, plaques, etc. It reproduces the mostplicated objects the professional way and obtain the finest detail possible.In the sports and leisure industry, our dedicated raw materials for coatings and adhesives, TPU, polycarbonates, foams, films, elastomers and more provide solutionuding footwear, sports equipment, goggles and wearables, functional textiles and artificial leather. Industries.