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Why is the gas in the inflatable life raft carbon dioxide instead of nitrogen?


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1. Because carbon dioxide is within 1 minute when the ambient temperature is between 18°C ​​and 20°C, and within 3 minutes when the ambient temperature is -30°C, the capacity of the gas cylinder is sufficient to inflate the inflatable liferaft into shape. The inflation device of the gas cylinder is connected with the bow cable of the life raft. Since the bow line is firmly tied to the ship during storage, when the life raft leaves the ship, no matter relying on manpower or the buoyancy of the life raft, the bow line can be pulled to open the inflation device. The life raft boat is inflated.

2. 70% of the air is nitrogen, which is inactive and cannot be inflated for a short time.

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