reds Bluegum jarrah red iron rosegum
  bluegum jarrah rediron rosegum  
browns brushbox greyiron spotted gum turpentine  
  brushbox greyiron spottedgum turpentine  
blondes beech blackbutt tallowood    
  beech blackbutt tallowood    
SPECIES J/R SPECIES J/R
BEECH 8.0 REDIRON 13.0
BLACKBUTT 8.9 ROSEGUM 7.5
BLUEGUM 9.0 SPOTTEDGUM 10.0
BRUSHBOX 9.5 TALLOWOOD 8.6
GREYIRON 14.0 TURPENTINE 12.0
JARRAH 8.5    

J/R = JANKA RATING.

The hardness of a species is determined by the Janka Rating. This measures the resistance to indentation and abrasion. As a guide, the higher the rating number the more resistant the timber is to indentation and abrasion.

 

 

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