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Midland Plastics Custom plastic components manufacturer, fabricator and assembler

Cold Bending

In addition to heat bending, some thermoplastic materials can be cold bent.

Depending on the thickness of the material, most plastics can be bent in a gradual radius without negatively affecting the integrity of the material. This is often seen in architectural applications for use in skylights or transparent walkway ceilings.

Cold Bended Parts

A few plastics can actually be bent using a press brake, which is the same equipment used for bending metal. The thickness of the material helps determine the ability of the material to be bent in this manner.

Materials 3/16” thick or less are typically easier to bend. Polycarbonate and acrylic/PVC alloys (e.g. Kydex®) are the primary materials that lend themselves to this process.

Thicker material can sometimes be bent on a press brake, but the material may need to be heated along the bend line, prior to bending, to reduce the potential for stress fractures at the point of the bend.