![]() ![]() The quality label may be issued on conclusion of a valid contract and adequate testing.This is subject to an additional test by the manufacturer. In order to be able to name the complete standard for the entire product for advertising purposes, compliance with all further requirements is necessary, specifically point 4.The basis for this is the solar spectrum in Melbourne/Australia on the January 1st and, for the wearer, the most sensitive skin type. New, unstretched and dry materials are tested. ![]() The test and certification criteria to determine the UPF are characterised as follows: The UPF enables an assessment of the UV protection of textiles taking into account the spectral composition of sunlight and human skin sensitivity. ![]() At Hohenstein, the UV protection is tested in the form of the UPF (=ultraviolet protection factor) of textiles. ![]()
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