balsa wood is different from the other wood

All know that balsa wood is different from the other wood, but how much do you know about this kind wood.Because density of balsa wood is so important we now offer three grades of lktjic2do Balsa:
1) Medium Density balsa rectangle unselected: 10-19 pounds/cu.ft
Range of densities expected in any sufficiently large random sample is 10-19 pcf, with usual expected outliers. Distribution is a fairly broad normal curve with average near center of range. Piece-weight is calculated by dividing sheet weight by number of sticks/sheet. Not individually weighed.
2) High Density: mean density 21 pounds/cu.ft, nominal range 19 - 24 pcf
Range of densities expected in any sufficiently large random sample is 19-28 pcf. Distribution is a tight normal curve (small variance) sharply skewed to low end of range, with average = 21 pcf. Pieces are individually weighed. Higher weight and strength, greater stiffness.
3) Low Density: mean density 8 pcf; nominal range 6-10 pounds/cu.ft
Range of densities expected in any sufficiently large random sample is 6-10 pcf. Distribution is a tight normal curve (small variance) with average = approximately 8 pcf.
Pieces are individually weighed. Light weight, less stiffness.
Insider Tip: Balsa varies considerably in its density, for optimum results, each piece should be weighed to determine its suitability for use in a particular part of your structure.Buy the way the balsa round offered in our store are all with high quality and cheap price.