There are many applications of zipper in our life. Metal zipper is a kind of zipper, which refers to the zipper whose microphone teeth are made of copper, cupronickel or aluminum material. Compared with nylon zipper and resin zipper, it is stronger and more versatile. On jeans, jackets and backpacks. The following is a detailed introduction to the difficult problem of metal zippers.
In fact, many times the metal zipper is not easy to pull, not because the zipper has been used for a long time, and sometimes the new zipper will also be difficult to pull. That is the quality problem of the zipper itself, which is caused by cutting corners on the material of the zipper itself.
So for a good bag, although it has been used for a long time, it is expensive and I don’t want to waste it. In fact, the editor tells you a few simple tricks to solve it. First, we pull the tail part of the zipper to make it straight. We pull it from the bottom to the top to see if it is smooth. If it is not smooth, you can find a wax and apply it to the zipper surface. This wax can be obtained from the outer covering of some medicines, and of course candles, and rub it back and forth on the zipper. If there is no wax, you can use a few drops of sewing machine oil, don’t look for oil, the oil is too dark and dirty. It will be very clean and smooth. There may also be a problem with the zipper head. If all the above problems are eliminated, then let’s try another zipper head.