Isostatic Pressing
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Dry Bag Isostatic Press |
Granular powder or die pressed compacts are loaded into a flexible air-tight container, typically polyurethane, placed in a closed pressure vessel filled with liquid and compacted by increasing the pressure within the vessel.
The pressure change takes place throughout the liquid, thus exerting a uniform applied pressure over the entire surface area of the air-tight container. In this way, the material is uniformly compacted and will retain the general shape of the flexible container, and any internal tooling profile.