Waterproof logic of double tent | waterproof tent

Waterproof logic of double tent | waterproof tent



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I remember the first time I played outdoors, I used a classic double-layer tent with double poles cross-supported. It has a relatively independent two-layer structure. The outer layer is a polyester taffeta with PU coating, which can resist water pressure 3000MM; The layer is breathable nylon gauze, and the bottom of the account is 5000MM water pressure resistant PU coated Oxford cloth, with a total weight of nearly 3 kg. At that time, this kind of tent was considered a classic among the classics, and the waterproof logic of the tent design was also very clear: When the weather is fine, most of the water vapor generated in the tent can condense on the inner wall of the outer tent through the inner mesh, and then due to gravity The function of the tent drips along the outer wall on the ground outside the inner tent; when it rains, the strong water pressure resistance of the tent outside can withstand all rainwater, and the water under the tent can be more resistant to water pressure. The bathtub-type waterproof bottom layer is blocked. In most cases, the waterproof function of this kind of tent can play a good effect, it looks quite professional, and it is the highest variety in the professional outdoor market. The disadvantage is that the weight is heavier, the multi-pole variety is heavier and wind resistant. Strong, but the logic of waterproofing is similar.

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