Investment Powder for Casting;Omega+ investment powder for casting;Specific powder designed to withstand the challenges of SLA master model casting, both in terms of expansion of the pattern within the mould and carbon removal;Ideal for thin walled, hollow or filigree pieces;Great for use with all precious metals including white palladium (all carats);Also great for brass and other non precious metals;Gives the highest quality surface finish;Special formula allows the easy removal of the finished casting from the mould;It is suited to both centrifugal and vacuum assisted casting methods;See PDF above;22.5Kg bag;Technical details;Use de-ionised water (C4359);Slurry temperature 21°C;Leave for 90 minutes to stand before burnout;Water to Powder Ratio;Machine vacuum mixing 38:100;Hand mix then vacuum 40:100;Patterns from the following systems DWS, Envisiontec, 3d Systems, Solid Scape and Invision have been successfully tested, all with exceptional quality castings and faithful reproduction of the finest details.