Is Precision Board heavier or lighter than wood?

The density of redwood is approximately 26 pounds per cubic foot. The standard Precision Board density for sandblasting is 15 pounds per cubic foot. A 1" thick 4'x8' sheet of PB-15 weighs 40 pounds.

A similar sheet of redwood weighs almost twice as much. 7. Can I fiberglass over Precision Board without the solvents eating it?

Yes. None of the commonly used solvents such as lacquer thinner, methylene chloride, naphtha, mineral spirits, etc. will attack Precision Board. 8.

Can Precision Board be cut with a hot wire? No. PB does not soften and dissolve with heat as does styrene.

PB can only be cut, sanded, etc. with tools that cut wood. If it won't cut wood it won't cut PB. 9.

Can Precision Board be cut with a laser? Yes. With the advent of the newest lasers and their ability to be finely controlled, Precision Board can be very effectively engraved and cut.

In some cases charring on the edges may occur. 10. Can Precision Board be cut with a water jet?

Yes. Water jets cut by focusing a ...

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