Superior flow properties where it counts - In the mouth… Wash materials have a contact angle of only 10°. Its superior flow properties allow the impression material to easily capture all critical surface detail of the preparations in a wet environment. …and in the lab Developed to produce accurate results in the mouth and in the lab. The wettability allows the wet gypsum to flow more easily into the impression, producing more accurate stone models. An accurate model is the key for the lab technician to create proper fitting restorations.