Nozzle filters are used to prevent contamination from the plastic melt causing blockages or interruptions to the injection process. These contaminates can cause damage to hot runner systems resulting in extended downtime and increased maintenance costs.

The design of the voestalpine flow filters capitalizes on the unique capabilities of 3D printing to create additional benefit for the injection molder by integration of a static mixer or significant reduction of pressure drop and shear stress.

Each filter is manufactured using Uddeholm Corrax AM Powder. This dedicated Plastic Injection Mold steel has been specifically design for Additive Manufacturing applications, it properties ensure the highest possible molding performance due to its increased corrosion and wear resistance.


Pressure drop and shear stress can be influenced by many parameters (eg injection material, filler material, temperature, etc).

flow filter X should be selected if improved mixing performance is required in conjunction with high quality filtration.

flow filter V should be selected for high quality filtration with minimum overall pressure drop.

voestalpine flow filters are not recommended for glass fiber reinforced plastics.

flow filter X

flow filter V


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