Automatic Control System Double Shaft Vacuum Mixer Planetary Mixer for Silicone Rubber. Wide Capacity Range: Models available from 5L to 5000L to suit various production scales. High Viscosity Handling: Capable of processing materials with viscosity up to 10 million CPS. Vacuum Defoaming: Sealed system with max vacuum degree -0.098MPa to remove air bubbles. Stainless Steel Options: 304 or 316L stainless steel available for food and pharmaceutical grades. Customizable Configurations: Supports custom heating/cooling, explosion-proof motors, and PLC control. Variable Frequency Control: Independent control for low-speed stirring and high-speed dispersion. Wall-and-Bottom Scraper: Integrated design prevents sediment and ensures minimal material residue.