Kutha kwa mchenga ndi njira yomwe nsalu imatsukidwa ndi mchenga wabwino kapena zinthu zina zowonongeka kuti zikhale zofewa komanso zowonongeka.Mankhwalawa amawonjezera mawonekedwe owoneka bwino komanso akale kwambiri pansalu, kupangitsa kuti iwoneke yomasuka komanso yachisawawa.
Kuphatikiza rayon, nsalu, ndi kuchapa mchenga kumapanga nsalu yofewa, yopuma, yopangidwa, komanso yokhala ndi zokongoletsa momasuka.Amagwiritsidwa ntchito kwambiri popanga zovala monga madiresi, nsonga, ndi mathalauza omwe ali ndi sitayilo yabwino komanso yokhazikika.
Posamalira slub ya nsalu ya rayon ndi kuchapa mchenga, ndikofunika kutsatira malangizo enieni osamalira operekedwa ndi wopanga.Nthawi zambiri, tikulimbikitsidwa kutsuka nsaluyo m'madzi ozizira, pogwiritsa ntchito njira yochepetsera komanso yochepetsera pang'ono.Pewani kugwiritsa ntchito bleach kapena mankhwala owopsa omwe angawononge nsalu.Kuonjezera apo, ndi bwino kuumitsa mpweya kapena kuumitsa kutentha pang'ono kuti nsaluyo ikhale yofewa komanso yoyera.