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Which is better for laser cutting cast or extruded acrylic?
Which is better for laser cutting cast or extruded acrylic?
2023-12-05
Both cast and extruded acrylic can be used for laser cutting, but they have some differences that may affect the final result.
Cast acrylic is made by pouring liquid acrylic into a mold and then allowing it to harden. This process results in a higher quality material with consistent thickness, clarity, and fewer internal stresses. The surface of cast acrylic also tends to be smoother and more polished, which can give a more professional look to laser-cut designs. It is generally considered the preferred material for intricate or detailed cuts, as it allows for precise and clean edges.
On the other hand, extruded acrylic is made by pushing the acrylic material through a die, resulting in a continuous sheet of acrylic with a consistent thickness. This process may create slight variations in thickness, clarity, or internal stress, which can affect the laser cutting process. The edges of extruded acrylic may also be less polished compared to cast acrylic, which may result in a slightly rougher finish after laser cutting.
In terms of cost, extruded acrylic is typically less expensive than cast acrylic. It is often used for applications that do not require high precision or clarity, such as signage or displays.
Ultimately, the choice between cast and extruded acrylic for laser cutting depends on your specific requirements. If you need high precision, clarity, and a polished finish, cast acrylic is recommended. However, if cost is a consideration or if your design does not require high precision, extruded acrylic can be a suitable choice.
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