| Propeller Mixer | High-speed axial-flow impeller circulates low-viscosity liquids through the tank. | 50–10,000 L per batch | Up to approximately 2,000 mPa·s | 300–1,500 rpm | Water treatment chemicals, solvents, low-viscosity coatings, liquid fertilizers and beverages. | 0.37–30 kW | Fast circulation and efficient blending of low-viscosity materials. | Tank geometry, impeller diameter, liquid level, required circulation rate and motor voltage. |
| Paddle Mixer | Wide blades move material mainly in radial or axial directions at moderate speed. | 100–20,000 L per batch | Up to approximately 10,000 mPa·s | 20–200 rpm | Liquid blends, suspensions, wastewater chemicals, food ingredients and mild slurries. | 0.75–45 kW | Good tank coverage with relatively low shear and moderate energy use. | Solids concentration, settling tendency, blade clearance, tank shape and required mixing time. |
| Anchor Mixer | Anchor-shaped blades sweep close to the vessel wall to move viscous products and improve heat transfer. | 50–10,000 L per batch | Approximately 10,000–100,000 mPa·s | 5–80 rpm | Adhesives, creams, gels, ointments, resins and high-viscosity personal-care products. | 1.5–75 kW | Effective wall sweeping and suitable for jacketed heating or cooling vessels. | Product viscosity, wall clearance, jacket heat-transfer requirements, shaft torque and seal design. |
| High-Shear Rotor-Stator Mixer | A rotating rotor draws material through a close stator gap to create intense local shear. | 10–5,000 L per batch | Up to approximately 20,000 mPa·s, depending on formulation | 1,000–6,000 rpm | Emulsions, dispersions, pigment concentrates, sauces, cosmetics and pharmaceutical suspensions. | 2.2–110 kW | Rapid particle-size reduction, emulsification and deagglomeration. | Shear sensitivity, temperature rise, particle size, air entrainment, seal materials and cleaning method. |
| Planetary Mixer | Mixing tools rotate around their own axes while orbiting the vessel, reaching difficult-to-access areas. | 5–3,000 L per batch | Approximately 50,000–5,000,000 mPa·s | 10–150 rpm; high-speed tools may exceed 1,000 rpm | Silicone compounds, sealants, dental materials, battery pastes, doughs and heavy adhesives. | 1.5–250 kW | Strong mixing performance for very viscous and non-flowing materials. | Torque demand, vacuum capability, tool configuration, vessel discharge method and batch consistency. |
| Double-Planetary Mixer | Two or more blades orbit and rotate simultaneously, often combined with a high-speed disperser. | 20–5,000 L per batch | Approximately 100,000–10,000,000 mPa·s | 5–100 rpm; disperser shafts may reach 3,000 rpm | Electronic pastes, structural adhesives, composite materials, sealants and battery electrode slurries. | 5.5–500 kW | High torque, strong batch uniformity and effective dispersion under vacuum. | Solid loading, vacuum level, temperature control, discharge speed, blade wear and drive capacity. |
| Ribbon Blender | Inner and outer helical ribbons move dry powders in opposite axial directions. | 100–10,000 L per batch | Dry powders and granules; liquid addition is generally limited | 15–80 rpm | Powdered food ingredients, chemicals, animal feed, minerals and pharmaceutical excipients. | 3–90 kW | Efficient horizontal blending with relatively short mixing cycles for dry solids. | Bulk density, particle-size distribution, moisture content, fill ratio, dust control and discharge design. |
| Paddle or Ploughshare Mixer | Specialized blades lift and circulate powders, granules and cohesive solids through the mixing chamber. | 100–20,000 L per batch | Dry solids, damp powders and some cohesive materials | 20–200 rpm | Dry mortar, fertilizers, premixes, construction chemicals and powder additives. | 5.5–160 kW | Suitable for high-solids formulations and optional liquid spraying during blending. | Material abrasiveness, moisture level, residence time, wear protection, dust extraction and cleaning access. |
| Static Mixer | Fixed internal elements divide and recombine flowing streams without a motor-driven shaft. | Continuous flow from a few liters per hour to several hundred cubic meters per hour | From water-like liquids to selected viscous two-component materials | Not applicable; mixing depends on flow rate and pressure drop | Two-component adhesives, polymers, water treatment, chemical dosing and inline blending. | No mixer motor; pump power is determined by system pressure loss | Low maintenance and compact inline operation with no rotating parts. | Flow ratio, pressure drop, residence time, material compatibility, disposable element needs and cleanability. |
| Vacuum Homogenizing Mixer | Combines vacuum processing, agitation and high-shear homogenization to reduce air and improve product uniformity. | 50–10,000 L per batch | Approximately 1,000–500,000 mPa·s | Agitator: 10–100 rpm; homogenizer: 1,000–4,000 rpm | Skincare creams, lotions, pharmaceutical ointments, gels and high-value emulsions. | 5.5–250 kW | Reduced air entrapment, controlled emulsification and improved surface appearance. | Vacuum rating, hygienic design, temperature control, CIP requirements, seal construction and filling integration. |