By then ultraviolet absorbent UV-absorber UV-531 share with you:

UV absorber is a kind of light stabilizers, can absorb ultraviolet light from sunlight and fluorescent light source parts, which itself does not change.

Because the Sun's rays contains large amounts of harmful ultraviolet light colored objects, the wavelengths around 290-460 NM, these harmful ultraviolet light through chemical oxidation-reduction (Redox reaction) so that the color down to fade.

Prevents harmful ultraviolet light to color method of the destruction of both physical and chemical.

This is just a brief introduction to chemical methods, that use ultraviolet absorbent on protected objects implement effective prevention or weaken its damage to color.

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