Willamette Plastics utilizes two methods of plastic production: vacuum forming and pressure forming. Both evacuate air from the sealed space between a heated plastic sheet and a mold to make the sheet conform to the mold.

Vacuum Forming


Pressure Forming

Pressure forming is for parts requiring higher precision and features such as sharp undercuts; to achieve these features, compressed air is added to the operation, from 20 to as much as 150 psi.

Typical material gauges are from .020” up to 0.5”.  We use a variety of materials ranging from fire rated materials to anti-static materials and any color imaginable.

After the part is formed five-axis DMS routers are used to precisely trim the parts.  We offer full assembly capabilities for turnkey products.


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