Laima duk yanayin yanayi shine kariya ta rana.Akwai laima mai yawa da yawa , komai ruwan sama ko rana ana iya amfani dashi.Don haka, shin akwai wani lahani a cikin amfani da laima na kowane yanayi?Gabaɗaya ba.
Makullin kariya ta UV ya dogara ne akan rigar laima ana bi da shi da UV.Kariyar UV ta isa.Akasin haka, tasirin ba shi da kyau.Koyaya, akwai yanayi na musamman.Misali, ko da yake babu maganin UV, akwai vinyl.Amma tasirin sa na anti-ultraviolet ya fi samfuran talakawa.Idan masana'anta yana da inganci mai kyau, alamar UV na iya kaiwa 600+ kuma ƙimar shading kusan 100%.Lokacin da kuka ɗauki laima, buɗe shi don kallon inuwar da ke ƙasa.Inuwa sun fi duhu.Sai kawai idan UPF (ƙimar kariyar kariya ta ultraviolet) ta fi 30 kuma watsawar UVA (UVA) bai wuce 5% ba za a iya kiransa samfurin da ke jurewa UV.Matsayin matakin kariya shine "UPF30 +";Lokacin da UPF ya fi 50, yana nuna cewa samfurin yana da kyakkyawan kariyar UV.Ana yiwa matakin kariya alamar "UPF50 +".
Lokacin aikawa: Satumba-24-2022