What is the waterproof performance of PET silver paper?

2025-02-08 09:35
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PET silver paper has excellent waterproof performance. The following is a detailed analysis of its waterproof performance:


1、 Material characteristics

PET silver paper is made of PET (polyethylene terephthalate) as the substrate, which itself has good waterproof performance. Its surface has been treated with a special coating to form a uniform waterproof layer, which can effectively prevent moisture from penetrating into the interior of the label, thereby protecting the information on the label from damage.


2、 Waterproof test

In practical applications, the waterproof performance of PET silver paper has been rigorously tested. For example, by attaching PET silver paper labels to damp or wet surfaces, the labels can maintain their integrity and clarity without deformation or detachment. In addition, even if the label is soaked in water for a long time, the information on the label is still clear and visible, and will not fade or blur.


3、 Application scenarios

Due to its excellent waterproof performance, PET silver paper is widely used in applications that require waterproof labels. For example, in humid environments such as bathrooms and washrooms, PET silver paper labels can maintain the integrity and clarity of their labels, ensuring the readability and traceability of information. In addition, PET silver paper labels can also demonstrate their excellent waterproof performance in outdoor environments or scenarios that require rain erosion.


4、 Precautions

Although PET silver paper has excellent waterproof performance, the following points still need to be noted in practical applications:

Avoid prolonged soaking: Although PET silver paper can withstand a certain degree of soaking, prolonged soaking may cause the adhesive at the edge of the label to soften or peel off, thereby affecting the adhesion of the label.

Choosing the appropriate adhesive: When selecting PET silver paper, the appropriate adhesive type should be chosen according to the specific application scenario to ensure the adhesion and waterproof performance of the label on different material surfaces.

Avoid high temperature environment: Although PET silver paper has high temperature resistance, excessive temperature may damage its waterproof layer, thereby affecting its waterproof performance.


In summary, PET silver paper has excellent waterproof performance and can maintain the integrity and clarity of labels in humid or damp environments. When selecting and using PET silver paper, it is recommended to choose according to actual needs and usage environment to ensure that it meets usage requirements.