33a Sefton Rd
Thornleigh
NSW 2120
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Category Archives: Wood Carving

The Janka Hardness Test

The hardness of a timber is measured by the Janka hardness test. This test measures the force required to embed an 11.28mm (0.444 in) steel ball to half its depth into wood. The Janka hardness test is the industry standard for determining the ability of a particular timber species to withstand denting and wear. In […]

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