Lab Model Sigma Mixer by Mahavir Sigma models are designed for the mixing and kneading of medium and high viscosity materials. To mix heavy materials, the Mahavir double arm mixers are considered the standard workhorse of the industry. Unlike most companies, we offer a mixers with tangential agitator action. it has mixing characteristics that maximize the mixing for specific products. The counter rotating heavy-duty blades are well known for the efficient kneading Shearing of material from heavy creams to high viscosity products. T he Mahavir sigma blade mixers are available in awide range of sizes from 5 liters to 2, 000 liters