Apoxie Clay is a 2-part, self-hardening synthetic clay that combines the features and benefits of sculpting clay with those of epoxies. PropertiesApoxie Clay is used around the world by professional sculptors, wood carvers, restorers, miniaturists, hobbyists, and crafters. It is used in museums, wildlife art studios, and other professional art studios. > Superior modeling, impressions, and detail finishing. Use this product if you are sensitive to solvent based epoxies.> User friendly clay. Non-flammable, non-hazardous. No solvents or fumes. Complies with ASTM D.4236.> Plasticity and handling features make this clay very user friendly. Apoxie¨ Clay accepts all paint, before or after curing. Flat finish is great for painting.> Working time is about 2-3 hours. Cures to a hard, waterproof finish in 24 hours.> 0% shrinkage. Freeze-thaw stable.> Strongly adheres to almost any clean surface . . . including ceramic, fiberglass, foam, glass, metal, plastics, resin, stone, wood, and more.> 2 colors: Native/Earthtone and White.> Self-hardening, 2 part product (A & B) must be mixed thoroughly. Clay like feel.> Can be seamlessly feathered before set-up, or sanded, tapped, lathed or otherwise tooled after.> Clean up with Apoxie¨ Safety Solvent or water. Documentation Comparison Chart Apoxie_FIXIT.pdf Comparison Chart_Mache.pdf