Views: 18 Author: Site Editor Publish Time: 2025-09-23 Origin: Site
We just finished another new shipment heading to Italy – a 10L sigma mixer with electric heating and screw discharge. This machine may look small, but it’s built to handle some tough works like thermoplastic rubber and polymers.
What makes it stand out?
The sigma blades give strong kneading power, even with sticky or elastic materials.
Electric heating with an oil jacket keeps the temperature steady and reliable.
The mixing chamber and blades are made of mirror-polished stainless steel, so cleaning is quick and easy.
A screw extruder with a DN50 valve makes discharging smooth and saves time.
Powered by Siemens motors, it runs steady and doesn’t let you down.

The 10L size is a sweet spot – not too big, not too small. It’s perfect for lab testing, pilot runs, or specialty batches where precision matters and material cost is high.
At Karvil Machinery, we’ve been researching and building sigma mixers for over 20 years, and we know every customer has different needs. That’s why we customize machines for different materials, processes, and industries.

Proud to see our mixers running in more than 50 countries.
If you’re looking for a reliable kneader for polymers, adhesives, or high-viscosity compounds, we’d love to hear from you.
info@karvil.com
Selecting the right Sigma Mixer is one of the most important decisions when processing high-viscosity materials such as silicone rubber, sealants, adhesives, putty, carbon paste, chewing gum, and specialty chemicals. The right machine not only improves product quality but also increases production e
Zero-distance heating sigma kneader delivers uniform heat up to 400℃ for silicone, adhesive and carbon paste, eliminate cold material chunks.
Learn safety features of sigma kneaders for high viscosity adhesives & sealants, emergency stop, covered drive, screw extrusion and ATEX CE certifications.
Compare tilting discharge and screw discharging for sigma mixers to understand which method improves unloading efficiency for high-viscosity materials.
Discover why vacuum sigma kneaders are essential for NBR rubber compounding with better degassing, temperature control, mixing quality, and safety.
Silicone rubber is one of the most demanding materials in industrial mixing. Its high viscosity, strong elasticity, and sensitivity to temperature make it difficult to process with conventional mixers. Choosing the right Sigma Mixer for silicone rubber is essential for achieving consistent product q
Guide to choosing a lab sigma kneader for R&D trials. Check viscosity, vacuum degassing, temperature control, and safety with Karvil Machinery's 7L model.
Explore how Karvil Machinery’s vacuum sigma mixer removes air bubbles and improves purity in high-viscosity silicone rubber compounds and sealants.