What is the difference between waterproof backpack and ordinary backpack, you will know after reading it

The speed of turning your face in summer weather is the same as turning a book. When you talk about changes, you will change. When you walk outside, you are most afraid of the storm that comes. It doesn’t matter if you get wet. If the important documents and electrical appliances in your backpack are wet, you will lose them. But it’s not a little bit. Therefore, having a waterproof backpack is even more important. So, how is a waterproof backpack waterproof? What is the difference between a waterproof backpack and an ordinary backpack? Let’s listen to the brief description of luggage What? 1. Material difference The biggest difference between a waterproof backpack and an ordinary backpack is in the choice of material. Ordinary materials are wet when exposed to water. Some materials have water repellent function, that is, a coating is added to the material to block the entry of rainwater. But if it encounters heavy rain, it will be useless, and the coated material has a certain service life, and it will not work for a long time. Most of the materials used in waterproof backpacks are air-tight or air-impermeable, with a thicker coating and even a film on the other side for better waterproof performance. 2. The difference in production process The production process of waterproof backpacks is more complicated than that of ordinary backpacks. Many fully waterproof backpacks need to be moulded. The common ones are some hard shell backpacks. These are all using the moulding process, while ordinary backpacks are basically It only needs to use the traditional sewing process. 3. Differences in accessories Whether waterproof backpacks or ordinary backpacks, the manufacturer’s opening method is zipper opening, which involves the choice of zipper accessories. Ordinary backpacks choose ordinary zippers, which are not waterproof and breathable, while waterproof backpacks choose zippers that are waterproof. Yes, it will not seep into water when it comes to contact with water, so it can protect the contents more effectively. There are several ways to open the mouth of a waterproof backpack: Generally, the mouth is rolled, that is, the mouth of the bag is folded and fixed with a buckle or other parts to achieve a sealing effect. The other is a bayonet-style sealed bag mouth, which is often used for small waterproof bags, and large waterproof bags are unrealistic. Another type is the airtight zipper opening. The airtight zipper is also a waterproof zipper with a high waterproof level. This kind of zipper has a high cost and is generally used for advanced waterproof backpack openings, outdoor ice bags, and waterproof pockets.　　 The above is the brief introduction of the luggage manufacturer on the difference between the waterproof backpack and the ordinary backpack. If you want to know more about waterproof backpacks, please contact us online. Luggage has focused on luggage customization for 15 years, and can customize related waterproof backpacks according to customer requirements and budgets. Luggage has served many well-known companies such as Baidu, Huawei, TCL, etc., and has formed a good reputation in the industry, and has a group of vibrant and wealthy for nearly two decades Experienced engineers and production personnel, to build a professional design and production team, is a trustworthy backpack factory.