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Silicone Rubber Kneader | JCT Machinery

September 28, 2025

JCT specializes in the production of silicone rubber kneader, suitable for mixing and dispersing HTV, RTV, specialty silicone rubber.


StructureFunction
W-shaped mixing chamberContains materials and provides a stable mixing space. The jacket is used for heating or cooling, maintaining a stable temperature during silicone rubber processing
∑-shaped blades
Strongly shear, squeeze and tumble high-viscosity silicone rubber, ensuring uniform dispersion of fillers and rubber base
Transmission system
Provides high torque, ensuring stable operation of the blades in high-visvosity materials, and allows for adjustable speed to suit different process stages
Sealing system
Prevents material leakage and ensures a clean and safe mixing process, especially for highly viscous materials like silicone rubber
Vacuum systemMixing under a vacuum removes air bubbles, improving the density and quality of silicone rubber



Main Applications of Silicone Rubber Kneader
  • 1. HTV silicone rubber

  • Uniformly mixes base rubber, silica and curing agent to form a plastic compound.

  • 2. RTV silicone rubber

  • Adds tackifiers, crosslinkers and fillers to create a stable mixture.

  • 3. Liquid silicone rubber pretreatment

  • Silicone rubber kneader can be used for preliminary dispersion of certain highly filled formulations.

  • 4. Specialty silicone products

  • High-temperature resistant silicone conductive silicone, flame-retardant silicone, and other products require highly uniform mixing of fillers (carbon black, metal powder, flame retardants).


sigma mixer

Advantages of Silicone Rubber Kneader
1. High viscosity handling capacity: Silicone rubber kneader can handle high-viscosity rubber compounds with viscosities of up to 500,000-1,000,000cps.

2. Excellent dispersion: Fillers (such as silica and carbon black) are evenly dispersed, preventing agglimeration.

3. High mixing uniformity: Silicone rubber kneader significantly outperforms conventional mixers in mixing silicone rubber base, additives and fillers.

4. Controllable process parameters: Temperature, vacuum level and speed can all be precisely controlled to ensure a stable formula.

5. Wide application: In addition to silicone rubber, silicone rubber kneader can also be used to produce high-viscosity adhesives such as butyl rubber, chloroprene rubber and chewing gum.


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