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What is waterproof bags ?
Waterproof bag water activities, outdoor tourism, diving essential supplies.
The bag is made of waterproof material and waterproofed in the sewing thread.
During water activities and outdoor activities, you can put your belongings in a waterproof bag to ensure the items are dry.
Small bag University asks. The bag body is a waterproof material and the bag mouth is mechanically sealed.
The real waterproof bag is based on the material process and waterproof conditions to determine whether it is waterproof.
1: General waterproofing: The general waterproofing effect is to use a sewing process to treat waterproof fabrics, and then to glue the waterproof tapes so that the needle holes can not enter the water.
2: professional waterproof: professional waterproof can be divided into two kinds:
A: In the process and material are the highest level of waterproof, this type of waterproof bag is used for outdoor rafting, the material is mainly 500D-1000D mesh or TPU composite material, the process uses high frequency voltage hot melt, making two The material is blended seamlessly, and the transparent material of the bag mouth is transparent and smooth about 15CM to strengthen, 30% off, and 30% off. This way of treatment can be really waterproof (after being inflated, it can be used as a lifebuoy).
B: Diving Class Waterproofing: There is a waterproof bag on the market for use on a telephone or camera, which can be waterproofed to a depth of 10 meters or less. The waterproof degree of the waterproof clamp can reach a depth of 10 to 20 meters.
2 refers to the waterproof inside of the ski gloves used, generally use TPU or hippora and other waterproof breathable materials to do.
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