PU is a thermoplastic polyurethane plastic. This kind of material can be softened at a certain temperature and can be kept constant at room temperature. Therefore, the maintenance film based on PU only needs to be heated at the time of pasting. Some people use baking to heat it, but others use hot water to construct it. The methods are different, all of which are based on its characteristics. The cold resistance of PU is very outstanding (no pressure at minus 40 degrees), with strong toughness and certain hardness. If the scratch (non-destructive damage) can be automatically restored.
First of all, we can judge the quality from the tactile sensation of the invisible garment. The garment with good quality is soft, and its extension performance is very good. It can freely show the ideal state according to the body. And the poor quality of the invisible car clothes of the invisible membrane is not so good extensibility. So many high-end car owners will choose to use this product.
Secondly, through the sense of taste to feel, if you smell a strong chemical taste, then this clarifies that the raw materials used by the car clothes are inferior. A good invisible garment should be tasteless or tasteless.
Then, look at the transparency of the invisible garments and garments, the higher the transparency, the better it can blend with the original car, the integrity will not affect the original color of the car paint, but also can improve the gloss of the car paint. This is the best quality performance of high-quality garments, if it is inferior garments, its transparency is comparable to low.
Finally, it can judge whether the car clothes can be flame retardant according to their chemical reaction. Because the Non-Flame-Retardant garments are easy to leave traces on the paint when they encounter fireworks, the high-quality invisible garments have the function of flame-retardant.
These are the fundamental ways to distinguish invisible garments. Only when the garments are purchased, the judgement can be stopped according to these conditions and a conclusion can be drawn. Of course, if conditions permit, or the proposal to choose the right brand, but also believe in the principle of a penny for a penny!
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