Waterproof stickers are used a lot in our lives, and some places are used in damp and moisture. At this time, we are more worried about whether the waterproof stickers will get wet. Once it gets wet, it will not only affect the appearance, but there will also be residual glue when removing the sticker. In short, there is no harm to it. Then I have to ask, are the stickers waterproof? The answer is, sure. Then the previous worries no longer exist.
Generally, the film type Eggshell stickers can play a waterproof role, we can also test it, mainly the layer of film on the surface, if this layer of film is torn off, then the waterproof sticker will not be waterproof.
What material is this film?
Film substrates are divided into: transparent polyvinyl chloride (PVC), polyester (PET), polypropylene (PP), polycarbonate (PC), synthetic paper, PS, PE, shape memory anti-counterfeiting material (SMP), etc.
