NEWS

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.

Discover why vacuum sigma kneaders are essential for NBR rubber compounding with better degassing, temperature control, mixing quality, and safety.

Compare tilting discharge and screw discharging for sigma mixers to understand which method improves unloading efficiency for high-viscosity materials.

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.