The Blade Depot offers a full range of mixing and dispersing blades which are available in a variety of materials of construction such as: Carbon Steel, 304, 316, 316L and 440 Stainless Steel, Carbide Coated Steel, Aluminum and Polyblades in Urethane, Ultra High Molecular Weight Polyethylene, PTFE, Nylon, Polypropylene, and PEEK including anti-static materials. The blades are drilled to fit all mixer and disperser designs including split blades and blades with collar & set screw hubs. Pharmaceutical grade and Food grade blades are available. Additional chemical and/or mechanical polishing and passivation is available.  Custom designs and large volume injection molded designs can be manufactured. All blades are available with smooth ground welds, no markings, passivation, manual polish, electropolish and mirror finish.

Don’t hesitate to call us with your questions or complete the Impeller Specification Form.  Many of the Polymer blades are available for a free trial.  We encourage you to test one as they are safe to use and last far longer than steel blades.

For more detailed information on this subject, please visit the EDUCATION & INFORMATION section.

For a quote or discussion, complete the IMPELLER BLADE SPECIFICATION FORM.


Generally speaking, a mixing blade is a blade that fits onto a mixer which runs at low speed up to 3000 rpm.

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Metal Dispersing Impellers

There are many different styles of the sawtooth type dispersing blade. Some differences are subtle and may make a difference depending upon the product’s characteristics.

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Polyblade Dispersing Impellers

The Polyblade is far safer than a metal blade, dual sided, lasts longer and handles higher solids and higher viscosities more efficiently.

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Laboratory Impellers

Most of the styles found in both the Mixing and Dispersing sections are available in laboratory size.  Some start as small as 1” while others will be 1.5” or 2.0” depending on the style.

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There are a few accessories for dispersing impellers that are critical for the impellers to run correctly and/or operate safely.

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