When exposed to water, waterproof labels do not change color or paste words. They are often made with waterproof printing materials, and the glue must be waterproof to avoid flaking when exposed to water. Whatever angle you take, the label is a truly wonderful piece of technology. Labels are useful
Self-adhesive labels are widely used in modern society, which forces product makers to insist on labels that are not only aesthetically pleasing but also practical. Many items' packaging mandates that labels have a waterproof feature. But what waterproof label? Which substance makes up waterproof la