Lab Internal Mixer MMS-420

A Lab Internal Mixer is a piece of equipment used for compounding rubber and plastic materials in a laboratory setting.

Compounding involves blending various raw materials, such as rubber, additives, and fillers, under high temperature and shear forces to achieve consistent chemical and physical properties for production.

This process plays a crucial role in the rubber and plastic industries, producing items like tires, seals, rubber hoses, and plastic products.

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  • Used for the stirring, kneading, and dispersion of various chemical materials such as plastics, silicone rubber, synthetic rubber, metal powder, and ceramic powder.
  • Innovative leak-proof design for easy disassembly and replacement.
  • Brand-new heating and cooling system, rapid heating and effective cooling performance.
  • For the metal powder and ceramic industries, the contact parts of the materials are treated with spray-applied ultra-wear-resistant alloy, significantly extending the machine’s service life.


Mixing volume1L
Control ModeKey Control/PLC Control (Optional)
Discharge methodReverse discharge or open close type
Drive motor3.75KW
Flip motorFlip motor
Rotor speed (front/rear)40/31rmin (adjustable)
Flip angle110℃
Air pressure0.5-0.8Mpa
Volume (H×W×D) 1800×900×1900mm
Weight (kg) 850kg
Power Supply3Ø, AC380V

Industry Application

Lab Internal Mixers find applications in various scenarios within the rubber and plastic industries, where precise material mixing and testing are crucial.

Material Formulation Optimization: Researchers and engineers use lab internal mixers to develop and fine-tune material formulations for rubber and plastic compounds. By experimenting with different ratios of raw materials, additives, and fillers, they can achieve desired properties such as strength, flexibility, and durability.

New Material Development: When developing new rubber or plastic materials, lab internal mixers allow researchers to test the compatibility of different components, study the effects of varying processing conditions, and assess the potential for commercial production.

Quality Control: Before large-scale production, small batches of materials can be mixed in lab internal mixers to ensure consistency and uniformity in physical and chemical properties. This aids in maintaining product quality and meeting industry standards.

Additive and Filler Evaluation: Researchers can investigate the impact of various additives and fillers on material performance by conducting controlled mixing experiments in the lab. This helps in selecting the most suitable additives to enhance specific properties.

Research on Material Interactions: Lab internal mixers enable the study of interactions between different materials during the mixing process. This is crucial for understanding how different components affect the final properties of the compound.

Prototyping: For small-scale production or prototyping purposes, lab internal mixers help in producing small quantities of rubber or plastic compounds for initial testing and evaluation before scaling up to industrial production.

Academic and R&D Activities: Educational institutions and research facilities use lab internal mixers for teaching purposes, hands-on training, and conducting research projects related to polymer science and materials engineering.

Customized Material Development: Some industries require specific rubber or plastic compounds with unique properties tailored to their applications. Lab internal mixers allow them to experiment with formulations to meet these specialized requirements.

Troubleshooting and Process Improvement: When facing issues in industrial mixing processes, lab-scale experiments can be performed to troubleshoot problems and identify potential solutions for process improvement.