Used as a coating agent on stone or epoxy dies to create a space. If spacer is not used, crown will be too tight and not fit easily to tooth.Several coats may be applied; each coat will provide additional thickness. (2 coats, 12–15-microns, are commonly applied.) Apply 1 mm short of the margins and omit from the occlusal or incisal surface. Dry thoroughly between coats (approximately 3 minutes). Glass bottles.