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The problem of fading and discoloration of PE tarpaulin

Views: 11     Author: Site Editor     Publish Time: 2022-03-26      Origin: Site

tarpaulin

I think that many users have experienced the problem of tarpaulin fading and discoloration when using tarpaulins. The following tarpaulin manufacturers analyze these problems.


First of all, it should be stated that the qualified PE tarpaulin has no discoloration problem, and the color fades slowly (it can be used throughout the entire life cycle without fading). The colors of PE tarpaulin are mostly blue and white, blue and orange, double white, red and blue, etc. Active decomposable colors like red, yellow, purple, green, etc. are rarely used. The raw material of PE tarpaulin is high-pressure polyethylene (LDPE). The color is coated with high-pressure polyethylene as an ingredient on the tarpaulin, so it does not fade, discolor, or fade (similar to colored convenience bags). The color strip cloth is woven from polypropylene, and the color of the pad dyeing is easy to fade, fade, and change color. And the waterproof effect is poor, but the price is cheap, which is what we commonly call "disposable tarpaulin" and "toxic tarpaulin". And it will harm the human body and the environment.


Blue-white, double-white and other reducing pigments in PE tarpaulin have stable chemical properties, and it is difficult to cause fading and discoloration problems, unless extreme conditions (always exposed to sunlight, etc.). Active materials such as blue orange, red and blue are relatively unstable in chemical properties, and they are prone to fading and discoloration problems if they are not maintained properly. This is also what we have seen in production. The blue and white PE tarpaulins are always the same regardless of whether they are new or old, while the red and blue PE tarpaulins appear red and darkened during production.


In fact, no matter which color PE tarpaulin is, we should maintain it normally, which can not only effectively avoid the problem of fading and discoloration of the tarpaulin, but also increase the service life of the tarpaulin. After daily use, it is best to wash and dry it, and avoid contact with oils and organic solvents during storage.


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