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Reactor Or Sigma Mixer

Published by JCT 2025-09-09
Comparison items Reactor Sigma Mixer
Applicable viscosity range ≤100,000cP (medium-low viscosity) 10,000-5,000,000cP (high viscosity)
Mixing mechanism Mainly agitated (paddle/anchor) Shear + extruder + folding (Z/∑-shaped blades)
Temperature control accuracy ±2℃ (jacket heating) ±1℃ (staged temperature control)
Dispersion capacity General (depending on subsequent grinding)

Extremely strong (can replace three-roll mill)

Production capacity Large (over 5000L) Small to medium-sized (typically ≤3000L)
Energy consumption Relatively low High (high shear requirements)
Typical application EVA-based, polyolefin hot melt glue SIS/SBS-based/polyurethane hot melt glue

 

Specific Scenarios

1. Reactor

  • Production of low-viscosity hot melt glue (e.g., EVA-based packaging adhesive, 50,000-80,000cP).
  • Requires large-scale continuous production (single batch size > 3000L).
  • Raw materials are susceptible to degradation (gentle agitation is recommended to minimize thermomechanical degradation).

reactor

2. Sigma Mixer

  • Production of high-viscosity / high-fill hot melt glue (e.g., SIS-based labelglue, viscosity >200,000cP).
  • Nanofiller dispersion requirements (e.g., conductive carbon black, SiO₂).
  • Multi-functional integrated production (mixing, dispersing and degassing performed in a single machine).

sigma mixer

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