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

China’s standards
In China, certain requirements for Vinyl Wall paper chromatic aberration are: superior products – no color difference is allowed; first-class products – no obvious distinctions are allowed; qualified products – enable differences, but do not affect the make use of. At the moment, domestic manufacturers aside from a few manufacturers fundamentally implement the standard of first-class products.
From a scientific perspective
Items 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 actually printed by multi-color, in fact it is all spot color printing, and each published pattern is only expressed in a area of the final product or It is a little bit of stars in every areas. Unlike paints or paints, the colour difference meter can be used to measure its color difference, which may be represented by data. The living of chromatic aberration is usually absolute. It is a pseudoscience that will not recognize its existence, but it should be within the scope of acknowledgement. The degree of recognition varies and the results vary.
Light can cause color differences
According to experience, if the colour difference of the wallpaper is normally regarding backlighting or sunlight, the difference in color due to the difference in light reflection of the wallpaper will end up being reflected. Therefore, in a strong light or sunlight environment, try to use a wallpaper with rich printed patterns. Because the reflection of the pattern will surpass the reflection of the chromatic aberration, the chromatic aberration can be well avoided.
Avoid chromatic aberration tips
In addition, if the basic wallpaper will not take light, you can use the technique of turning the head to effectively avoid chromatic aberration. If different batches of wallpapers are used in the same area, you may use the same batch of wallpapers on different walls to avoid unnecessary trouble.