Delicate a day, here is a point in the car, a self-media platform focused on automotive supplies.
If you just want to pick a car insulation film product, congratulations, you should find an interesting question: Basically, whether it is brand goods or miscellaneous goods, it will advertise the “UV barrier rate” of our own products to 99%. You won’t see less than 99%, and rarely see the propaganda than 99%. Why do everyone have this value to be 99% this? Where is the 1% of the remaining disappearance? Today, talk about this topic with everyone, and also give you the owners of the thermal film products, share a little donation knowledge.
First, 99% ultraviolet barrier rate is the requirements of domestic industry standards on automotive insulation film products (standard “GA / T 744-2013 car window glass sunshade film”, unfortunately tell you, insulation film products have no national standard . In this standard, the test sample must be placed in the spectral range 280 nm-380 nm for testing, and the obtained product ultraviolet transmission ratio should be less than or equal to 1%. Therefore, 99% of the value is just a qualified line indicator, and less than 99% of the ultraviolet barrier rate is unqualified.
The remaining 1% ultraviolet rays, which can be used through the heat insulating film, which is not simply a technical capabilities. Anything must be 100%, inevitably requires strong technical strength, this research and development investment and product production process will push the heat insulating film products to the new height! If there is no strong brand premium ability, such products have not been sold. Therefore, as long as the ultraviolet barrier rate is controlled under the standard state, it is the focus of the attention of production costs.
Finally, in the market, there is also a heat-insulating film in UV radios, but the protection range of such products is 280 nm-410 nm. Did you see it, compared with ordinary heat insulating films, the full anti-film protection ranges from 380 nm-410 nm. Don’t underestimate this “small range”, this high-band ultraviolet protection technology is the technical problem that the industry is always difficult to overcome. The 380 nm-410 nm ultraviolet rays, the destructive power of the human body and items is great. So the heat insulating film of 99% UV barrier rate you bought, the ultraviolet barrier of the wavelength of 380 nm-410 nm is 0! This is also a lot of manufacturers who will not tell you that the reason for the barrier of the ultraviolet range is.
There is any car supplies that you want to know, you can pay attention to and comment on the car!