What Does the Waterproof Level of the Waterproof Bag Represent?
Many backpacks are labeled with waterproof levels to show professionalism, but do you really know how to distinguish waterproof levels?
IPX-0: No waterproof protection
IPX-1: Under normal operating conditions, it can provide waterproof protection equivalent to 3-5 millimeters per minute of rainfall for 10 minutes.
IPX-2: The level is basically the same as IPX-1, but it can pass the waterproof test of 15 degrees upward in all directions.
IPX-3: Splash waterproof protection at a 60 degree angle, providing waterproof protection at a flow rate of 10 liters/second for 2-5 minutes and a pressure of 80-100n/m.
IPX-4: It is basically the same as IPX-3, but can provide all-round and angle splash waterproof protection.
IPX-5: Comprehensive and angular waterproof protection, providing 2-3 minutes of 12.5 liters/second flow rate and 30n/m pressure waterproof protection.
IPX-6: Waterproof protection against heavy waves, capable of withstanding a depth of 3 meters underwater for 2-3 minutes, a flow rate of 100 liters/minute, and a pressure of 100n/m.
IPX-7: One meter underwater can soak for 30 minutes.
IPX-8: Completely waterproof, can be used continuously in water for a long time.
Used for outdoor travel, mountain climbing, and cycling
Due to the fact that outdoor travel, mountaineering, and cycling do not involve water immersion or underwater conditions, the most common condition encountered during outdoor use is rainwater. The use of leisure backpacks with IPX1 to 5 waterproof levels is sufficient, and some high-strength nylon materials can meet the requirements. If you have high waterproof requirements (such as not wanting to buy a rain cover), you can purchase a backpack made of PVC or TPU waterproof material. If this backpack uses a zipper seal, Rainstorm cannot be prevented; If folding waterproof sealing is adopted, rainstorm prevention is also no problem.
Used for tracing streams, beaches, swimming pools, and sea activities
The favorite sports in summer are of course swimming, rafting, surfing, windsurfing, and sailing in close proximity to the water. These sports have higher requirements for the performance of waterproof pouch. Generally, we use PVC material with folded closure for bucket bags, which is sufficient. The waterproof level of this product can reach IPX6 to 7, meeting most usage scenarios.
Yachts, navigation, sailing, military high-end airtight waterproof bags
If some people have higher requirements for waterproof performance, or if there are more harsh environments, there is a fascinating thing called "military products", so there is also a demand for more high-end products. This type of high-end fully airtight waterproof bag is made of TPU adhesive fabric, which is not only waterproof, but also wear-resistant, scratch resistant, with a long lifespan and biodegradability. Its waterproof performance can reach the top level of IPX8, and it can withstand up to 20 meters of deep diving. It can be used in extreme situations such as diving, swimming, outdoor crossing, and even energy exploration, desert, etc. It is equipped with a metal nozzle and can be used as an airbag.
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