What is the difference between air box and ordinary trolley case?

At the airport, the train station or in the station we can see a variety of trolley around us, but we are very rare air box, in general, is more at the airport, then What is the difference between the two boxes that have a role to play in our everyday life? Now with Xiaobian look at it.

1, different size. The general trolley case is small, not more than 20 × 40 × 55 cm, while the air box according to different designs, the general length of about 1 m.

2, different bearing capacity. A typical carrying case will not load more than 20 kg, but a loaded case can weigh up to 490 kg because an ordinary PU wheel weighs 130 kg and a flight case typically has 4 wheels.

3, different materials. The material commonly used in trolley cases is cortical, plus cardboard in the middle, or a thin aluminum plate, while the air box is a fire board with a thickness of 9 mm or more. EVA is attached inside the air box, and the bottom plate is also strengthened.

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