Imprex, Inc. is your go-to source for high-quality impregnation solutions since 1958. Whether you send parts to our Milwaukee facility for impregnation or require a custom Vacuum Pressure Impregnation (VPI) system for installation at your location, Imprex impregnation solutions seal porosity and reduce scrap. At our facility in Milwaukee, services include impregnation of metal castings, powdered, sintered, and ferrous metals, and electronic components. Resin, anaerobic, and oil impregnation methods are offered. We provide quick or same-day turnaround time, a proven quality program, and Lean-Six Sigma culture. Imprex is also an OEM, custom-engineering and fabricating VPI systems for installation world-wide. Our in-house engineering and fabrication team designs and builds impregnation equipment to your requirements. Pressure vessels are built to ASME Code. All systems are completely assembled at our factory and tested before shipment. Applications for vacuum pressure impregnation include: More... coil windings, motors, generators, transformers, automotive parts, pumps, electronic components, and more. Family-owned and operated since 1958, our US-based team takes pride in providing superior products, service and results. ISO 9001:2008 certified. ASME certified. Certified by the National Board of Boiler and Pressure Vessel Inspectors.