Custom Plastic Tri-Extrusion
Tri-extrusion is basically the same process as co-extrusion, except with three different materials to create a part instead of just two.
The method is essentially the same, utilizing three extruders to manufacture a part that has three resins of differing properties. Custom plastic tri-extrusion is used to create an extruded part with multiple performance characteristics related to the different types of plastic materials. Common applications include transparent and opaque sections in the same extrusion for lighting applications, creating a hinge using a flexible material, or even possibly a gasket extruded direction onto a rigid part.
Pexco's tri-extrusion capabilities benefit our customers by creating products that feature different finishes, durometers, colors, and other diverse properties all within a singularly fused component. These "tricks" are achieved through tri-extrusion.
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