Mtundu Kuzirala mu zokutira

Kusintha kwapang'onopang'ono mtundu kapena kuzimiririka makamaka chifukwa cha mtundu wa pigment womwe umagwiritsidwa ntchito pakupaka. Zotikira zopepuka nthawi zambiri zimapangidwa ndi inorganic pigments. Izi inorganic pigments zimakhala zofowoka komanso zofooka ngati tinting mphamvu koma zimakhala zokhazikika komanso zosasweka mosavuta chifukwa cha kuwala kwa UV.

Kuti mukwaniritse mitundu yakuda, nthawi zina ndikofunikira kupanga ndi ma organic pigments. Nthawi zina, ma inki awa amatha kuwonongeka ndi kuwala kwa UV. Ngati mtundu wina wa pigment uyenera kugwiritsidwa ntchito kuti ukhale ndi mtundu wina wakuda, ndipo ngati mtundu uwu umakonda kuwonongeka kwa UV, ndiye kuti kuzimiririka ndikotsimikizika.