How to choose genuine glass film

[China Glass Network] Summer is coming soon, and many friends like to apply film on the glass of the car. If we put a high-quality glass film on the window, we can not only protect the sun, but also protect the privacy of the car. However, there are many car film products on the market, and the quality is uneven. Some consumers cannot distinguish the quality of the film and buy a poor quality glass film. Today, we are here to introduce you how to choose the film.

Harm of inferior glass film

Everyone gives the car glass film, because the glass film can protect the sun from infrared rays (insulation), ultraviolet rays (sun protection) and protect privacy. The inferior glass film not only does not function as heat insulation or sun protection, but also causes Other bad effects. Inferior glass film is easy to fading and foaming. Because of the limited production cost, the residual solvent of the glue layer used will contain benzene, formaldehyde and other substances. After being exposed to the sun, the emitted gas will cause the health of the people inside the car. Harmful, serious even cancer. Therefore, it is better to use this kind of glass film than to film.

Distinguish between genuine and inferior membranes

When choosing a car glass film, what kind of brand and price to choose is one of the concerns of consumers. In terms of price, there are many brands of glass film on the market, and the price is also very different, so the price alone is not enough to judge whether the glass film is good or bad.

I believe that the film on many friends' cars is sent when the 4S shop buys a car. Indeed, it is a very convenient thing to decorate when buying a car, and it is quite good to get such a gift when buying a car. However, is the film in the 4S shop a perfect choice? In fact, it cannot be so certain. Although some glass films sold by 4S stores are genuine, the price will be relatively high, and the glass film given may not guarantee the quality. After all, buying a car now relies on a large discounted car price to compete, so pre-sale decoration and after-sales maintenance have become a source of income that cannot be ignored, so the price of the glass film sold in the 4S shop is more expensive than the price in the market. 3 times is also normal. Nowadays, there are many merchants selling auto glass film on the market, especially the auto parts city, which is mixed with fish and dragons. What are their purchase channels? We have no way to verify them. However, if consumers have no experience or professional instruments, they can completely distinguish between genuine and counterfeit. product. Therefore, in the auto parts city to buy glass film, it is easy to encounter fake and shoddy products. Among the wide variety of automotive glass film brands, there are many large brands whose product quality is relatively guaranteed. For example, Johnson (Johnson), 3M, Weigu, Long Film and other brands are brand products in this field. On their official website, you can find the addresses of authorized brands in various cities in China. At these authorized stores, you can buy glass film. Although the price is more expensive, you can rarely buy fake and shoddy products. Some friends may ask, don't buy glass film in 4S shop or auto parts city, but don't want to spend too much money to authorize the store to buy, what should I do? In fact, everyone can also buy in some reliable network e-commerce, they will launch some preferential activities from time to time, not only to ensure product quality, the price is not as expensive as authorized stores. However, this e-commerce group purchase activity has time constraints, can only wait until the e-commerce engages in activities, if you can't wait, and want to buy genuine glass film, you can only go to the authorized store to buy.

It is worth noting that genuine glass film purchased from regular channels will have a warranty card. Some brands have warranty information on the warranty card. You can mail the scraps of the glass film on your car, plus the warranty card number to the manufacturer. The manufacturer will help identify whether we purchased the product. Of course, the quality assurance card can only be used in formal authorized stores or e-commerce. If it is purchased by an unauthorized dealer, the warranty card provided by them may also be fake. Therefore, before we buy the glass film, it is more important to look at the authorized qualification of the merchant, and then look at the warranty card, which will be more reliable.

In addition to the above methods of judging from the purchase channel and price, I also collected some methods for better operation, and the heat insulation experiment is one. In many stores selling auto glass films, some red iodine tungsten lamps are placed to simulate infrared heat radiation in sunlight. We can use these iodine tungsten lamps to test the purchased glass film. The test method is very simple. Put the hand in front of the iodine-tungsten lamp, and place the glass film between the hand and the iodine-tungsten lamp. If the hand can feel the heat of the iodine-tungsten lamp, it can be judged that the heat insulation effect of the glass film is not satisfactory. However, this method is only a very simple method of identification. It can only identify some inferior glass films. The way to smell is also a very simple method of identification, but it can only be used for some particularly inferior glass films. The genuine glass film uses pressure-sensitive adhesive, which has basically no taste, and some special inferior glass film, because of the low production cost, contains benzene, formaldehyde and other substances in the glue used, tearing open the glass film and smelling it, it will smell The pungent taste, this glass film is recommended not to buy; some friends will ask if you can identify the genuine glass film by hand. This method is actually not informative, because no matter what kind of glass film, it is difficult to distinguish between good and bad on the hand. Even the workers in the film shop can't distinguish the true and false of the glass film from the hand feeling, so we It is not recommended that you use this method to identify.

to sum up:

When choosing the automotive glass film, because our consumers have limited identification ability, many friends are deceived after listening to the business's flicker. In order not to lie, we should try to choose regular channels when purchasing car film. Generally, the authorized dealers of big brands or the more reputable e-commerce platform are more trustworthy. Don't try to buy a product that is significantly lower than the market price in the roadside booth.

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