How to identify the color difference of the wallpaper? ? ?

China’s standards
In China, the requirements for chromatic aberration are: superior products – no color difference is allowed; first-class products – no apparent differences are allowed; Vinyl Wallcoverings qualified products – allow for differences, but usually do not have an effect on the make use of. At the moment, domestic manufacturers except for a few manufacturers essentially implement the standard of first-class products.
From a scientific perspective
Products without chromatic aberration can’t be produced, but only theoretically. As the color of the wallpaper is not like paint or color, it is produced up of monochrome, and the wallpaper is basically printed by multi-color, in fact it is all place color printing, and each published pattern is only expressed in a section of the final item or It is a little bit of stars in all areas. Unlike paints or paints, the colour difference meter can be used to measure its color difference, which may be represented by data. The existence of chromatic aberration can be absolute. It is a pseudoscience that will not recognize its living, but it should be within the scope of recognition. The degree of reputation varies and the results vary.
Light could cause color differences
According to experience, if the color difference of the wallpaper is in the case of backlighting or sunlight, the difference in color because of the difference in light reflection of the wallpaper will be reflected. Therefore, in a strong light or direct sunlight environment, try to make use of a wallpaper with wealthy printed patterns. Since the reflection of the pattern will go beyond the reflection of the chromatic aberration, the chromatic aberration can be well avoided.
Avoid chromatic aberration tips
In addition, if the basic wallpaper does not take light, you may use the technique of turning the top to effectively avoid chromatic aberration. If different batches of wallpapers are found in the same area, you may use the same batch of wallpapers on different wall space in order to avoid unnecessary trouble.