MB 12RG is a calcium sulfate hemi-hydrate powder product that offers properties well-suited for coating and construction applications. MB 12RG has a practical water to powder ratio of 90-120 and moisture content of 0.5% max, allowing for efficient and consistent mixing. Its brightness and whiteness of 85% min also provides the clean, uniform appearance required. With an initial setting time of 7-13 minutes and final setting time of 15-25 minutes, MB 12RG allows sufficient working time along with a fast strength development ideal for coating and construction needs.