Rubber Wood 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.

Rubber wood hardness scale.

Furniture cabinetry interior millwork kitchen woodenware cutting boards knife blocks etc and other small specialty wood items. For beginners wood charts. The higher the number the harder the wood is this should be used as a general guide when comparing various species of wood flooring. Rubberwood is a whitish lumber that gradually fades to a light brown over time.

Density hardness stiffness and strength hardness chart hardness chart acacia 1 750 lbs. On a hardness scale alder ranks just above pine and poplar. This latex is used to make rubber. There may be variations of more or less than 20 on the scale since this is a scientific test.

Woods with a higher rating are harder than woods with a lower rating. 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 required to embed a 0 444 steel ball into the wood to half of its diameter. 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.

It is one of the best measures of the ability of a wood species to withstand denting and wear. In other words this wood is extremely eco friendly in the sense that we use what was supposed to go to waste. 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.

The scale used in the table is pounds force. It is a moderately hard medium textured straight grained wood that is approximately the same density as ash and maple hardwood. The rubber tree gets its name from the commercially harvested milky latex it exudes when cut. 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. Wood hardness chart species alphabetical hardness species by hardness hardness mahogany honduran 800 padauk 1725 mahogany santos 2200 tabaccowood 1750 maple hard north american 1450 rosewood bolivian 1780 maple ivory 1500 bamboo carbonized 1800 maple soft 999 hickory 1820 merbau 1925 pecan 1820 mesquite 2345 yellowheart 1820. Tyres gumboots rubber bands rubber hoses the list goes on and on.