Waterproof Zipper Trivia
author: Lily
2025-05-14
Waterproof zipper is a branch of nylon zipper, which is specially treated to realize waterproof function.
Classification of waterproof zipper
1. TPU film waterproof zipper
- Material: TPU is an environmentally friendly polymer, the film made of waterproof, breathable, high temperature resistance (100℃), low temperature resistance (-40℃), and good softness.
- Characteristics: Overcome the shortcomings of PVC, superior performance, is a high-end product.
2. PVC film waterproof zipper
- Material: PVC film with painted surface, PVC in the middle and back-coated adhesive on the bottom.
- Characteristics: rainproof, fire-resistant, anti-static, easy to mold, etc., lower cost, but slightly poorer weather resistance.
3. Coated waterproof zipper
- Treatment: Coated waterproof coating on the surface of the zipper.
- Characteristics: no peeling, no whitening, no brittleness, low temperature resistance (-70℃), environmentally friendly, soft, and good waterproof.
4. Waterproof zipper immersed in waterproofing agent
- Treatment: soak the zipper in waterproofing agent.
- Characteristics: low cost, only can realize simple waterproof, limited waterproof performance.
Characteristics of waterproof zipper
- Waterproof performance: effectively prevent water penetration through film, coating or soaking treatment.
- Durability: some types (such as TPU film) have excellent physical and chemical properties, long service life.
- Flexibility: TPU film waterproof zipper is soft and flexible to use.
- Environmental protection: TPU materials are environmentally friendly, in line with future development trends.
Application Scene
- Outdoor equipment: tents, backpacks, waterproof jackets, ski clothes, etc..
- Rain gear: raincoats, rain shoes, motorcycle raincoats, etc.
- Sportswear: diving suit, cycling suit, fishing suit, etc..
- Luggage: waterproof suitcases, waterproof backpacks, etc.
- Special purpose: firefighting clothing, medical protective clothing, life-saving equipment.
Points for choosing waterproof zipper
1. Waterproof performance:
- The size of the center seam directly affects the waterproof effect, so make sure the center seam is tight.
- The waterproof performance of waterproof zipper is limited, so it should be chosen according to the actual demand.
2. Appearance quality:
- The surface of the film should be smooth and delicate, with a smooth feeling similar to leather.
- The color difference of colored waterproof zipper should be controlled within 5%.
3. Smoothness:
- The better the smoothness of the zipper, the higher the quality.
4. Service life:
- The quality of the laminated film directly affects the service life, you need to choose reliable quality products.
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