The test also determines how well wood can withstand dents dings and wear.
Acacia hardwood hardness rating.
Large leaf acacia wood has a janka hardness rating of 1700.
The scale used in the table is pounds force.
The janka rating indicates wood strength measured by the force necessary to drive a 444 millimeter steel ball halfway into a plank.
The janka hardness test is often applied to bamboo and eucalyptus flooring products after manufacturing a process that artificially hardens the material by the addition of resins.
Density hardness stiffness and strength hardness chart hardness chart acacia 1 750 lbs.
Acacia mangium more commonly known as black wattle in the us has a 1750 janka hardness rating and is dried to 12 percent moisture for use as flooring.
For beginners wood charts.
The janka hardness test is used to measure the capacity of different species of wood to withstand pressure.
The janka hardness test measures the lb in2 required to embed a 444 inch steel ball to half its diameter in wood.
On the janka hardness chart big leaf acacia rates 1700 pounds force while small leaf acacia rates 2200 pounds force and both fall roughly in the middle of the chart.
Character 4 millrun 4 natural 8 select 1.
These ratings were done using the janka hardness test.
Home articles faq s hardwood flooring 101.
The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter.
It is also a good indicator of how hard or easy a species is to saw or nail.
Raspberry jam acacia has a janka hardness rating of 3100 and a very low 5 4 percent volumetric shrinkage rate.
Below are listed the relative hardness for numerous wood species used in flooring.
Prefinished golden acacia hardwood 1 2 in thick x 2 75 in wide x 78 in length overlap stair nose.
Woods with a higher rating are harder than woods with a lower rating.
The janka hardness rating for different types of acacia wood is extremely high.
The janka hardness test measures the force required to embed a 444 inch steel ball to half its diameter in wood.
The janka scale is used to determine the relative hardness of particular domestic or exotic wood species.
We can t list all 1000 species but below are a few examples.
Relative hardness of wood flooring species.
15 softer than red oak 1 26 softer than red oak 4 74 harder than red oak 3 grade.
The test consists of measuring the amount of force required to insert a 11 28 millimeter 444 inches diameter steel ball into the wood to half the ball s diameter.