Cold Forming Acrylic Sheet

To calculate the minimum bend radius of curvature multiply the thickness of the sheet to be used by 330.

Cold forming acrylic sheet.

Spectar supposedly looks and handles much like acrylic but with the surprising property that it can be cold formed without breaking or whitening and exhibits a memory effect holding a cold bend until reheated. Acrylite gp cell cast acrylic sheet is available in more than 200 colors thicknesses ranging from 0 060 to 2 0 1 5 mm to 48 mm and in sheet sizes from 36 x 48 900 mm x 1200 mm to 72 x 120 1800 mm x 3000 mm. Cold forming is possible. Uk educational supply center centre mindsets online sells variously sized 3mm thick sample sheets of eastman s spectar copolyester at not completely outlandish prices.

Acrylite ff acrylic sheet is available in. Cold forming plexiglas sheet can be cold formed bent at room temperature in a smooth arc and held to a radius by forcing the material into a curved channel support. Acrylite acrylic sheet is offered in several versions. This device can reduce appreciably the labor required for clamping and unclamping sheets preparatory to forming.

Line bending or thermoforming a brasion resistant acrylic sheet is not recommended. Twenty four hours at 176 f 80 c dries most sheets. Release mechanism for hanging plexiglas acrylic sheets in heating ovens. It is important to provide sufficient clamping of the sheet during the forming process.

Before forming the sheet s temperature must be higher than the desired temperature to allow for cooling that will occur prior to the start of forming. It can also shorten the time required to transport the heated sheet from the oven to the forming equipment thus minimizing the possibility of cold forming. The forming range for acrylic sheet is 290 320ºf 142 160ºc.