This sample pack has five (5) 100g sample envelopes of Excalibur dental stone. Each one is about enough to use on one Hirst Arts castle mold. One of each of the colors (White, Gray, Blue, Green, and Violet) is included so you can see what they look like before ordering more.
Excalibur is a ultra-fine gypsum based molding material originally created for the dental industry but they have asked we also provide it for hobbyist. Excalibur has an expansion rate of .09% and 18,000 psi compressive strength. Excalibur pours thinner than plaster and will not need vibration to settle into molds. This hold fine detail extremely well and has a high surface abrasion resistance to prevent nicks and dings to your products. Details are crisp and virtually bubble free.