The sigma mixer is an ideal equipment for mixing, kneading, vulcanizing and polymerizing high viscosity materials. Sigma mixer can be used to produce silicone rubber, sealant, hot melt adhesive, food gum base, pharmaceutical preparations, bubble gum ,chewing gum and so on. The sigma blade mixer is a special mixing and kneading device. The most commonly used is the use of two Z blades, which are arranged side by side in parallel, that is, the speed of a stirring blade is fast and the speed of a stirring blade is slow to produce a shear Cutting force, different paddle speed makes the mixing of materials can be quickly cut, so that the material can be mixed evenly.