Care and Maintenance of Bag Zipper

Each of us will have our bag. The zipper is the most common and important part, and its quality plays a key role in the service life of the backpack.

If the zipper is not well maintained, the chain is stuck, the chain is broken, and the bag cannot be used, which is a very bad thing, so we should take good care of the zipper in daily use to prolong the use of the backpack life.

Types and characteristics of zippers

Before introducing the knowledge of zipper maintenance, let's take a look at the classification and characteristics of zippers according to their materials.

✔️Metal zipper

It refers to a zipper in which the teeth of the zipper are made of copper, cupronickel or aluminum, and the tape is a flexible tape woven from cotton yarn, chemical fiber or mixed chemical fiber, which is used to carry the fastener elements and other zipper components. , can be electroplated in various colors, commonly used on jeans, jackets and backpacks.

Maintenance method of metal zipper:

1. When pulling the metal zipper, the teeth on both sides must be closed first, the top must be aligned, and then gently pull the metal zipper head along the track, and do not pull too hard.
2. When moving the metal zipper head, be careful not to twist the clothes placket or cloth edge into the metal zipper, to avoid the phenomenon of "skewed teeth", "broken belly", "tooth loss" and so on.
3. If the metal zipper is astringent and difficult to pull, do not pull it hard. You can apply some wax or soap to the metal zipper to pull it.
4. If the unilateral teeth of the metal zipper head diverge and become loose due to wear and tear, you can use ordinary pliers to gently clamp the closed end of the metal zipper head horizontally.

Metal zipper notes:

1. Avoid contact with a wet environment: because the metal zipper will turn black due to metal oxidation.
2. Avoid contact with the rubber band: Because the rubber band itself contains sulfide, when the metal zipper is bundled with the rubber band, the metal teeth will be vulcanized (blackened).
3. Wash and dry in time after washing: Because the dyes or residual chemicals in the fabric have redox reactions with metal parts, it may cause discoloration of metal parts.

✔️Nylon zipper

The teeth are composed of nylon monofilament wrapped around the center line by a heating die. The cloth tape is a flexible tape woven from cotton yarn, chemical fiber or mixed chemical fiber, which is used to carry fastener elements and other zipper components. It is easy to produce, has good adaptability and has low cost. , commonly used in sportswear, shoes, bedding, luggage, tents.

Maintenance method of nylon zipper:

1. When using the nylon zipper, align the top and the teeth on both sides close together, then hold the zipper head of the backpack and gently pull it along the chain head. Do not use too much force.
2. When moving the nylon zipper head, be careful not to twist the clothes legs or selvedges into the zipper. If it is twisted, pull it back lightly in the opposite direction, and take out the sundries twisted into the zipper without using force. Excessive force will damage the zipper.
3. If the zipper is a bit astringent, it is not recommended to use wax for nylon zippers, just a few drops of colorless and transparent lubricating oil can be used.
4. If the zipper opens by itself, it should be because the slider has been used for a long time and the diameter has become larger. Use pliers to clamp the tail of the slider. Pay attention to the tail. Be careful not to push too hard or clamp too far. If the zipper feels too tight , just spread the tail a little bit.

Nylon zipper notes:

1. Do not directly contact the zipper with open flames, which will cause deformation of the sprockets and selvedge.
2. Wash and dry in time after washing, mainly because the slider will oxidize due to dyes or residual chemicals in the fabric, causing the slider to discolor and oxidize.

✔️Resin zipper

Resin zipper teeth are made of polyester plastic rice through dye color matching and discharged through an injection molding machine. The main component is copolyformaldehyde. Astringent, slightly less smooth, the cost is between the metal zipper and nylon zipper, often used in clothing and luggage.

The maintenance method of resin zipper is similar to that of nylon zipper. You can refer to the maintenance method of nylon zipper. Another point to note is that various bags, pockets or wallets with zippers should not be overfilled.

Last few words

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