Ponoko

Acrylic - Blue TINT

0.120 inches

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There are 5 images for this material

What is it

Acrylic (PMMA) is a thermoplastic that is available in a wide range of colors including transparent tints and clear to opaque solid colors.

Orders using this material generally ship in 1-2 weeks. Find out more.

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Design notes

Acrylic is hard and stiff as plastics go. It is sensitive to stress concentrations sharing a certain fragility with glass. This is most evident if parts are small or thin. Details should not be smaller than 1mm/0.04" as they are likely to be too fragile. Adding radii to corners can reduce the risk of breaking. For some tips on how to design for acrylic see this blog post.

Acrylic retains detail when laser cut and it engraves well. For tips on engraving see this blog post. The engraving can be painted with great results see this blog post. for more information.

To determine the optimum engraving depth for your design, we suggest prototyping or purchasing a sample of this material from out sample store.

Acrylic has a thickness tolerance of +/-15% of the material thickness.

Acrylic is supplied with protective paper on both sides of the sheet. The protective paper on the bottom of the material must stay on to protect the material from heat flares. The paper on the top surface is removed only if there is any light/medium raster/vector engraving, as anything other than heavy engraving does not adequately etch through the paper. The paper can also be removed on request in all other cases. Read more about optimising acrylic engraving in this blog post.

NOTE: the samples in the sample store are all cut with no paper on top.

Acrylic can scratch easily and should be cleaned with a mild solution of dish detergent and warm water. Never clean with other cleaners not suitable for acrylic or with a dry cloth.

Typical uses

Acrylic is commonly used as signage, glazing and in building applications, fabricated point of sale displays, menu holders, display cabinets, machine guards, furniture inserts, aquariums & fish tanks, jewelry and tableware.

Environmental info

Acrylic is non toxic and recyclable in some areas.

Adhesives, joints & fastenings

Acrylic can be joined with epoxy, Weldon 3, 16 and 40, Weld-on #4 PETG Cement, Dichloromethane and chloroform. Screw joints should be pre-drilled to avoid splitting.

Tips from other designers

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Dave says:

Keep an eye on really small holes or pieces. Acrylic melts when cut by the laser.

As a general rule of thumb if a design feature is less than a mm in size it's probably going to melt.

Added about 6 years ago. ( delete )

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