Vacuum mixing machine that homogeneously mixes plaster, investment material and silicone at the touch of a button. Easy to operate with a multifunctional dial/push button for easy and quick program selection and programming. Optimal mixing results due to the patented mixing blade geometry for horizontal and vertical mixing of the material. Large rotational speed range (150–550 rpm). Premixing function with adjustable speed (150–250 rpm). Less re-work required due to consistent mixing results. 3-year warranty.