Used Industrial Mixers for Sale | Banbury, Henschel & High-Intensity
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About Used Industrial Mixers
Industrial mixers for plastics compounding include Banbury mixers (internal batch mixers for rubber and plastics compounding), Henschel mixers (high-intensity mixers for PVC dry blending and powder mixing), high intensity mixers for rapid material blending, and paddle blenders for gentle mixing of pellets and powders.
Banbury mixers use counter-rotating rotors inside an enclosed chamber to intensively mix rubber compounds, plastic compounds, and masterbatch formulations. Henschel mixers use a high-speed impeller in a vertical tank for rapid heating and mixing of PVC dry blend and other powder formulations. Paddle blenders provide gentle, low-shear mixing for blending pellets, regrind, and additives.
Meadoworks stocks used Banbury mixers, Henschel mixers, high intensity mixers, and paddle blenders from Mixaco, Henschel, Farrel (Banbury), Marion, and Reliance. Contact us at 800-323-0307.
How to Choose a Used Compounding Mixer
Three different machines
A Banbury is an internal batch mixer: two rotors in a closed chamber, for rubber and for compounds that need shear. A Henschel-style high-intensity mixer is a vertical bowl and a fast impeller, the usual tool for PVC dry blend. A paddle blender stirs pellets and powder without that shear.
Buying the wrong one because both are called mixers wastes the batch. The drop temperature and the batch weight are how you size a Banbury. Tip speed and bowl volume size a high-intensity mixer.
Wear is inside
Rotors, the chamber wall, and the ram on a Banbury. Impeller and bowl liner on a high-intensity mixer. Clearance you can see is compound that will not mix and metal in the batch.
Dust collection and the dump door are part of running it. A mixer that will not open will not empty.
Compounding Mixer Specs to Compare
| Spec | Why it matters |
|---|---|
| Type | Internal mixer, high-intensity, or paddle. The compound picks it. |
| Batch or bowl | Liters or pounds per charge. Your formula has to fit. |
| Drive (hp) | Shear. A high-intensity mixer that bogs will not flux PVC. |
| Temperature | A Banbury is judged on drop temperature. The probe has to work. |
Type
Internal mixer, high-intensity, or paddle. The compound picks it.
Batch or bowl
Liters or pounds per charge. Your formula has to fit.
Drive (hp)
Shear. A high-intensity mixer that bogs will not flux PVC.
Temperature
A Banbury is judged on drop temperature. The probe has to work.
What to Inspect on a Used Compounding Mixer
Open the chamber
Rotors or the impeller. Worn tips and a scored wall are the rebuild.
Cycle the ram or the lid
It has to seal and dump. A stuck door is a batch you cannot empty.
Read the size
Against the batch you run, not against the motor sticker alone.
Check the probe
Temperature is how you know the batch is done.
Types of Size Reduction & Recycling
Common Applications
Frequently Asked Questions
What is a Banbury mixer?
A Banbury mixer is an internal batch mixer that uses two counter-rotating rotors inside an enclosed chamber to intensively mix rubber compounds, plastic compounds, and masterbatch. Originally developed for rubber, Banbury mixers are also used for plastics compounding, especially for heat-sensitive or highly filled materials.
What is a Henschel mixer used for?
A Henschel mixer (high intensity mixer) uses a high-speed impeller to rapidly heat and blend powder materials through frictional energy. In the plastics industry, Henschel mixers are primarily used for PVC dry blending — mixing PVC resin with plasticizers, stabilizers, and other additives into a free-flowing dry blend ready for extrusion.
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