Air mainly kg level to level out price:

Is usually 45 kg -100 kg -300 kg -500 kg -1.0 thousand kilograms or more of grade segment!
Vesicle cargo formula: The actual size of * 1000 / 6 = bubble re -
If the foam heavier than the actual weight of the goods when the goods is what we call the bubble
Cases of a certain cargo, volume: 2.35 cubic meters Weight: 150 kg
2.35 * 1000 / 6 = 391 kilograms "actual weight of 150 kg (soaked goods)
Vesicle cargo by air bubbles weight to balance billing
Two cases of a certain cargo volume: 2.5 cubic meters Weight: 700 kg
2.5 * 1000 / 6 = 416 kilograms "actual weight of 700 kg (heavy cargo)
Re-charging according to the actual weight of cargo by air to balance