Umutaka ukoreshwa mu bihe byose ni umuti urinda izuba. Hariho umutaka mwinshi uzingira, nubwo waba ufite imvura cyangwa izuba. None se, hari ikibi kiri mu gukoresha umutaka ukoreshwa mu bihe byose? Muri rusange ntabwo ari byo.
Urufunguzo rwo kurinda UV rushingiye ku mwenda w'umuhengeri uvurwa na UV. Uburinzi bwa UV burahagije. Ahubwo, ingaruka ni mbi. Ariko, hari ibintu byihariye. Urugero, nubwo nta muti wa UV ubaho, hari vinyl. Ariko ingaruka zawo zo kurwanya UV ziruta ibicuruzwa bisanzwe. Niba umwenda ari mwiza, igipimo cya UV gishobora kugera kuri 600+ kandi igipimo cyo gupfuka kikaba hafi 100%. Iyo ufashe umuhengeri, wufungure urebe igicucu kiri hasi. Igicucu kirimo kwijima. Gusa iyo UPF (agaciro ka ultraviolet protection factor) karenze 30 kandi UVA (UVA) ikaba iri munsi ya 5%, niho byakwitwa ibicuruzwa birwanya UV. Igipimo ngenderwaho cyo kurinda ni "UPF30 +"; Iyo UPF irenze 50, bigaragaza ko ibicuruzwa bifite uburinzi bwiza bwa UV. Igipimo cyo kurinda kigaragara nka "UPF50 +".
Igihe cyo kohereza: 24 Nzeri 2022