What is sigma mixer?

Sigma mixer (also known as sigma blade mixer or crook-type agitator) is an industrial mixing equipment used for processing high viscosity plastic materials. Its name is derived from the "Σ" shape design of its mixing blades. 

Here are its main features and applications: 

1. ‌Working Principle

 Materials are subjected to shearing, folding, squeezing, and stretching through two Σ-shaped mixing blades rotating at different speeds, achieving efficient mixing. Suitable for materials that powder-liquid mixers cannot handle (such as sealants, rubber, raw materials for cosmetics, etc.)‌. 

2. ‌Application Fields‌ 

Chemical Industry‌: Production of silicone rubber, glass glue, resin, battery materials, etc.‌. ‌

Food Industry‌: Processing of high-viscosity foods as chewing gum, bubble gum, etc.‌ 

Other Fields‌: Including pigment, pharmaceutical, plastic, and cosmetics manufacturing‌. 

3. ‌Equipment Types 

It is available in various models ranging from laboratory scale (5L) to industrial scale (3000L) according to capacity‌. Some models support vacuum,, or high-temperature operation, adapting to different process requirements‌. Due to its uniform mixing, no dead angle, and high efficiency, this equipment has become an indispensable in chemical and food production‌.