Soap Sigma Mixer

The mixer uses two Z-shaped blades that rotate toward each other at different speeds (typically a 3:2 ratio in tangential design). This produces a combination of bulk movement, stretching, folding, dividing, and recombining of the material. The close clearance between the blades and the trough walls generates strong shear and prevents dead zones or product sticking, resulting in consistent homogenization of thick soap dough.

Tangential blades rotate at different speeds and meet tangentially; they deliver higher kneading and shearing force, making them ideal for high-viscosity materials like soap masses, adhesives, and rubber compounds. Overlapping blades rotate at the same speed and offer faster material interchange but lower shear, suiting lighter viscosities such as creams or pastes. For soap manufacturing, the tangential design is generally preferred.

Models range from lab/pilot scale to large production units. Working capacities start at approximately 50 liters (ASM-50) and go up to 3000 liters (ASM-3000), with corresponding gross capacities higher. Motor powers vary from 5 HP (general) / 7.5 HP (heavy-duty) for smaller models up to 100–120 HP for the largest, and can be adjusted to local voltage requirements.

Yes. It can be supplied with a jacketed trough for heating or cooling applications, plus optional mineral wool insulation and cladding. This allows precise temperature control, which is important for preventing overheating of soap masses and for processing temperature-sensitive additives or fragrances.

Discharge can be done via manual hand-wheel tilting, hydraulic (automatic) tilting of the trough, bottom valves, or an extrusion screw. Hydraulic tilting and screw options reduce operator effort, enable complete emptying of viscous soap mass, and support higher throughput in continuous production lines.

The mixer is available in Stainless Steel 316, Stainless Steel 304, or Mild Steel. Stainless-steel versions can have matt or mirror polish finishes as required. Mild-steel models receive red-oxide primer plus epoxy paint. PTFE shaft seals are provided for food-grade compatibility, and the minimal blade-to-trough gap helps prevent product stagnation.

Common options include a liquid spray system, vacuum system, blade cooling arrangement, variable frequency drive (VFD) for speed control, automatic valve discharge, and customized feeding or sealing arrangements. These allow the machine to be tailored for specific soap formulations or process requirements.

Yes. It is used to blend soap noodles or pellets with fragrances, colors, fillers, and other additives to produce uniform dough for toilet soap, laundry soap, bath soap, detergent bars, and similar products. The intensive kneading action ensures even distribution of ingredients critical to final product quality and appearance.

Yes. With high-grade stainless-steel construction, mirror-polish finishes, PTFE/food-grade seals, minimal product-contact gaps, easy-to-clean design, and optional hydraulic tilting, the mixer supports hygienic and GMP-oriented soap manufacturing environments.