1.the machine can mprove the plaster molds's using times. 2.high vacuum degree 3.can get the low air calcium plaster repidlyCategory Universal vacuum plaster mixing machine FeaturesGeneral plaster vacuum mixer can obtain the calcium plaster with sound fluidity and low air content.the machine can increase the using times of the plater molds and enhause the surface soomth.the back room is made from cast aluminum,with sound tightness.the machine is equipped with continuous variable transmission,timers and buzz alarm system,so as to conveniently adjust rotate speed of mixing blades and mixing time . Purposes .This series of machines are applicable to mixing of various types of plaster as well as lowering of air contents in the plaster. Parameters Model SG-30 (mm)External Dimensionmm L950*W700*H1500 Total Power 1HP/0.75KW Vacuum Pump 2X-4 Production Capacity 30KG/cycle