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Imprex History

Imprex has been in business since 1958, providing consistent quality and service.

Vacuum impregnation (VPI) SYSTEMS

Imprex VPI SystemAt Imprex, we've conceived, built, and tested hundreds of VPI systems, concepts, and sealant formulations. Our reputation for innovation, quality, and service helped the company grow from a regional operation to an international producer of quality impregnation equipment. Imprex installations can be found all over the world, including North America, Russia, and Asia.

Every Imprex VPI system is engineered in-house and each system is built and tested in our Fabrication Shop. Vessel sizes range from a 30-gallon capacity to a 15,000-gallon capacity. Large or small, each VPI system is customized to meet our customers' specific needs and budget. Prior to shipment, all equipment goes through extensive testing. Imprex technicians then go onsite to oversee installation and employee training.


In addition to the manufacturing of VPI systems, Imprex also offers onsite casting impregnation services for manufacturers who do not want to do their own impregnation. Our service shop provides the fastest, most effective process for eliminating the inherent problems of porosity in castings and powdered (sintered) metal parts and electronic components.

Imprex, originally known as Tincher Products Co., was purchased by T.W (Tim) Juday from Ideal Products Co. in 1958. He renamed the company Imprex, a stylized version of impregnation. For years, companies who send their castings and electrical components to be sealed, send them out to be "Imprexed."

From a small shop with a few employees, Imprex has grown to a facility of more than 50,000 square feet, and more than 45 employees, including engineers, certified welders, quality control managers, and shop workers.

All Imprex operations are overseen by company president Bob Juday, a 30-year veteran of VPI sales and service.