For beginners wood charts.
Rubber wood hardness scale.
Rubberwood lumber is typically taken from rubber plantations where the trees are tapped for latex and harvested at the end of their useful life cycle typically after about thirty years.
Although classified as a hardwood alder is one of the softest of all hardwoods and is more commonly referred to as a semi hardwood.
To give some quantification to the issue of wood species hardness the lumber industry created the janka hardness scale a standard now widely accepted as the best means of ranking a wood s hardness.
On a hardness scale alder ranks just above pine and poplar.
The janka hardness test was conducted by measuring the amount of force necessary to embed a 444 inch steel ball into side of the wood up to one half of its diameter to determine its hardness rating which is then recorded on the janka hardness scale.
The janka test measures the amount of force needed to drive a 0 444 inch steel ball into wood to a depth equal to half its diameter.
In other words this wood is extremely eco friendly in the sense that we use what was supposed to go to waste.
This latex is used to make rubber.
Rubberwood is a whitish lumber that gradually fades to a light brown over time.
The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter.
Woods with a higher rating are harder than woods with a lower rating.
Rubberwood is used only after it completes its latex producing cycle and dies.
Home articles faq s hardwood flooring 101.
The rubber tree gets its name from the commercially harvested milky latex it exudes when cut.
Furniture cabinetry interior millwork kitchen woodenware cutting boards knife blocks etc and other small specialty wood items.
The scale used in the table is pounds force.
The janka hardness test measures the force required to embed a 444 inch steel ball to half its diameter in wood.
3 eco friendly to the max.
It is one of the best measures of the ability of a wood species to withstand denting and wear.
Density hardness stiffness and strength hardness chart hardness chart acacia 1 750 lbs.
There may be variations of more or less than 20 on the scale since this is a scientific test.
Tyres gumboots rubber bands rubber hoses the list goes on and on.
The janka scale is used to determine the relative hardness of particular domestic or exotic wood species.
