Reliable Stirring Equipment for Polyester Resin and Catalyst
Need a dependable mixer for your polyester resin projects? This electric stirring machine is built for mixing resin with catalyst, fillers, and pigments. It is suited for auto body shops, boat repair businesses, and small workshops that regularly work with fiberglass and composite materials.
We also manufacture pultruded FRP profiles, FRP rebar, pultrusion machines, and pultrusion dies for FRP production lines, in addition to mixing and auxiliary equipment.
“>pultrusion machines and pultruded FRP profiles, FRP rebar, pultrusion machines, and pultrusion dies for FRP production lines, in addition to mixing and auxiliary equipment.
Our mixer features a motor and sturdy paddle design that handles both thin gelcoats and thick putty mixtures. The adjustable speed lets you control mixing intensity, while the construction is designed for daily use with various resin formulations. Simple to operate with standard power supply, this mixer helps you achieve consistent results without the arm fatigue of hand mixing.
Whether you are preparing resin for small repairs or mixing larger batches for custom projects, this mixer handles the workload so you can focus on application technique and quality finishing.
Technical Information
| Feature | Details |
|---|---|
| Capacity | 5 to 50 liters per batch |
| Mixing Speed | Variable, 100-400 RPM |
| Paddle Size | 4 to 8 inches diameter |
| Motor Power | 1/2 to 1 HP |
| Power Supply | 110V or 220V available |
| Shaft Length | 24 to 36 inches |
| Weight | 25-45 lbs |
What You Can Mix
Automotive Body Work
- Polyester body filler for car repairs
- Primer and paint mixtures for surface prep
- Fiberglass resin for panel work
Boat and Marine Repairs
- Gelcoat for hull repairs with proper thickness
- Polyester putty for smoothing surfaces
- Anti-slip deck coatings with texture additives
General Fiberglass Projects
- Layup resin for hand-laid parts
- Mold release compounds for casting
- Decorative resin with pigments and fillers
Why Use a Mixer for Polyester Resin
Better Mixing Results
- Ensures even catalyst distribution
- Helps prevent streaking in finished product
- Reduces waste from under-mixed batches
- Gets fillers properly suspended
Time and Energy Savings
- Faster than hand stirring
- Less physical strain on your arms
- Consistent results every batch
- Can handle larger quantities easily
Professional Quality
- Reduces air bubbles in mix
- Creates smooth, uniform texture
- Better control over working time
- More predictable curing results
Common Questions
How do I choose the right paddle size?
For containers 5-10 gallons, use a 4-6 inch paddle. For larger containers, go with a 6-8 inch paddle.
Can this mix thick polyester putty?
Yes, but you will need to use the slower speed setting. Very thick mixes may require adding small amounts of acetone to improve flow.
What is the best speed for mixing gelcoat?
Start slow (100-200 RPM) to prevent splashing, then increase to 200-300 RPM for thorough mixing.
How do I clean the mixer after use?
Wipe paddle immediately after use with acetone or resin cleaner. Clean before resin sets up completely.
Can I mix epoxy with this mixer too?
Yes, this mixer works with many two-part resins including epoxy, polyester, and vinyl ester.
Does it come with different paddles?
Standard models include one paddle. Additional paddles for different viscosities are available separately.
Package Details
- Electric mixer unit
- Standard mixing paddle
- User manual
- Power cord
For industrial pultrusion lines, see our resin mixer equipment overview covering capacity, energy efficiency, and ROI.
Request a Quote for Polyester Resin Mixer
Need a polyester resin mixer for your shop or production line? Contact us for a quote and we will confirm specifications, lead time, and pricing.








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