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Clear extruded acrylic sheet

Clear extruded acrylic is the same clear plastic as cast at a lower cost, cut to size from 1/16 to 1/2 in. thick. It holds a more even thickness across the sheet than cast. Choose it for plain cut panels, covers, and glazing where you don't need engraving.

From $4.71Choose a size and thickness to see your exact price.

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Cut to order and checked by a person before we cut. Orders have a $35.00 minimum.

Details

  • Extruded acrylic (PMMA) in 1/16, 1/8, 3/16, 1/4, 3/8, and 1/2 in.
  • Sold by nominal thickness; actual sheet usually measures a little under the label, so tell us if a part has to fit exactly; extruded varies less across a sheet than cast
  • About 92% light transmission, the same as cast
  • Laser-cut edges are glossy straight off the cut; machined, flame-polished, diamond-polished (straight edges), and sanded edges are also available
  • Engraves faint and clear rather than bright white, and is more prone to crazing near stressed edges with solvents; choose cast for engraved or bonded work
  • Long-term design stress is about 750 psi, half that of cast, so size shelves with a calculator

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Questions

What's the difference between cast and extruded acrylic?

Both are the same plastic. Extruded costs less and is more even in thickness; cast engraves bright white, machines cleaner, and handles solvents and long-term loads better.

Can extruded acrylic be engraved?

It can, but the engraving comes out faint and clear instead of frosted white. For engraved signs and awards, order clear cast sheet.

Is clear extruded acrylic good for windows?

Yes, it's a common choice for window inserts and replacement panes. Leave room for it to expand: a 48 in. panel grows about 0.2 in. over a 100 °F swing.