Cast Acrylic: Another Type of Acrylic Used by Plastic Fabricators in Sydney

As mentioned in an earlier post, there are two types of acrylic that plastic fabricators in Sydney usually work with – extruded acrylic and cast acrylic. Whereas the previous post discusses what extruded acrylic is, its advantages and many other factors with regards to it, this second article will be devoted to the second type of acrylic mentioned – cast acrylic.

What is cast acrylic?

Cast acrylic is known to have greater variance with regards to thickness tolerance, which can be as high as +/- 30%. Because of the manufacturing process, cast acrylic tends to come out with a smoother surface. In many cases, cast acrylic is easier to work with than extruded acrylic. The cutting of cast acrylic, with the aid of a state of the art CNC laser cutting machine or CNC saw cutting machines for instance, results in much cleaner and highly polished edges. This then reduces the need for further polishing and finishing in the fabrication process.

When it comes to the chemical properties, extruded acrylic and cast acrylic are pretty much the same. Thus, the main difference between these two types of acrylics lie in their production process.

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