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Janka hardness scale

 

The hardness scale of Janka is used to measure the hardness and density of a bamboo or other wood floor material. The higher the material's assessment on the Janka's scale, the corresponding material is harder and more durable than the floor covering.

Janka hardness scale
Stability scale

Brazilian walnut
3680
Srand woven silkwood flooring
0,00129
Kumaru
3540
Strand woven bamboo flooring
0,00129
Strand woven bamboo flooring
2900
Mesquite tree
0,00129
Jatoba-Brazilian cherry
2350
Traditional carbonated bamboo
0,00144
Mesquite tree
2345
Merbau
0,00158
Srand woven palm flooring
2250
Srand woven palm flooring
0,00162
Srand woven mulberry flooring
2200
Australian cypress
0,00162
Cabrauva-Santos redwood
2200
Teaser
0,00186
Astronium
1850
Terminalia
0,00212
Sucupira
1820
Cabrauva-Santos redwood
0,00238
Pecan nut
1800
Pine heart
0,00263
Maple
1450
Southern yellow pine
0,00265
White oak
1360
Duglas spruce
0,00267
Ash 1320
Black walnut
0,00274
Red oak
1290
White ash
0,00274
Traditional natural bamboo
1280
Jatoba-Brazilian cherry
0,00300
Birch 1210
Yellow birch
0,00338
Traditional carbonated bamboo
1180
Hard maple
0,00353
Walnut 1010
White oak
0,00365
Cherry tree 950
Red oak
0,00369
Pine 540
Pecan nut
0,00411
Eagle 440
American beech
0,00431


If you are considering buying a bamboo or other hardwood floor, Janka's hardness scale can be a very useful and insightful tool. The hardness scale of Janka is used to measure the hardness and density of a bamboo or other wood floor material. Specifically, the Janka test measures the force required to push a 11.28 millimeter diameter steel ball into the wood at half-ball diameter. The diameter is chosen so that the area of the comprised circle is about 100 square millimeters.

The higher the material's assessment on the Janka's scale, the corresponding material is harder and more durable than the floor covering.

When assessing a rusty extruded bamboo, a bamboo of strand woven bamboo, it's important to note that, unlike traditional or carbonated bamboo (vertical or horizontal), the bamboo of strand woven bamboo has extraordinary durability and stiffness. After analyzing various evaluations, the bamboo of strand woven bamboo is evaluated at a minimum of 2900 points, which allows us to describe it as extremely durable and solid material. Depending on the technical parameters of this material, this flooring is recommended as a great choice for those customers who need to wear and other highly durable coatings for environmental stimuli (for example, keeping dogs with small children).

Note:

It is recommended to use the Janka scale only as general guidelines for comparing different types of wooden floors. The results may vary, depending on where the wood was cut. 

The Janka scale gives a general understanding of the hardness of the wood, but the longevity of the flooring is determined by many other factors, including cutting method (simple cutting, radial cutting), cell density, decoration, construction.

The Janka hardness test - is a measure of the force required for the ball to be pressed.

 

 
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