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The sun umbrella uv protection principle

Oct 17, 2017

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The sun's uv protection umbrella mainly is to reduce the transmission part of it, to absorb the ultraviolet light is reflected off as far as possible or at present there are two main methods:


The first is to make it reflect or scatter off. And include two cases, one is plated metal film, which belongs to the mirror reflection and regular reflection; Another pearl effect of fabrics, such as some umbrella surface, can reflect the ultraviolet radiation to the direction of the scattering.


The second method is in the interior of the fibre fabric added to absorb ultraviolet light materials, or, in the late after the completion of the fabric do into some absorb ultraviolet light material, such as nano-scale zinc oxide or titanium dioxide