The company POLYMÈRES TECHNOLOGIES is based in Quebec and has many different foams available that may fit our uses, including the foam directly below this and they also offer very quick delivery if we need and possibly cheaper shipping as well since it is in Canada?
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LAST-A-FOAM® FR-7100
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SERIES
Comes in various densities of 4 to 40lbs. per cubic ft.
Max use temperatures of up to 104°C.
ask min about how to interpret compressive strength (Technical Data Sheet)
General Plastics Indicates that the foam is stress-free, easy to machine, and uniform in density throughout the block.
It is said this product is best for low-cost applications, maybe a cheaper option than the tooling board below this.
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The following is an example of how the foam was used for a CNC-machined topographical map
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These are the dimensions of the FR-7100 line in cm
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We can also get custom cuts from 3.175 mm in height up to the standard stock heights i.e. the thickness of the material.
LAST-A-FOAM® FR-4700 TOOLING FOAM BOARD
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The following is a picture of a mold machined from the foam
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Below are the dimensions of the tooling board
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You can also get these boards cut in custom sizes exactly like the LAST-A-FOAM® FR-7100 SERIES.
EB700 High-Temperature Epoxy Tooling Board
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