Dpi Imprint Alginate Impression Powder- Dpi Imprint Alginate Powder is a high-precision alginate impression material used to make precision dental impressions. Dpi Imprint Alginate Powder is a dust-free alginate, with normal setting time. It exhibits fast absorption of water and enhances the ease of mix. The final mix of the impression material is a homogenous mass with smooth and compact surfaces.