Rini na tarwatsa nau'in nau'in nau'in halitta ne wanda ba shi da gungun masu yin ionizing.Yana da ƙarancin narkewa a cikin ruwa kuma ana amfani dashi don rini kayan yadi na roba.Rarraba rini suna samun sakamako mafi kyau lokacin da tsarin mutuwa ya faru a yanayin zafi.Musamman, mafita a kusa da 120°C zuwa 130°C yana ba da damar tarwatsa rini don yin a mafi kyawun matakan su.
Hermeta yana ba da rini mai tarwatsewa tare da dabaru daban-daban don canza launin roba kamar polyester, nailan, acetate cellulose, vilene, karammiski na roba da PVC.Sakamakon su ba shi da ƙarfi a kan polyester, saboda tsarin kwayoyin halitta, yana barin pastel kawai ta hanyar zuwa matsakaicin inuwa, duk da haka za'a iya samun cikakken launi lokacin da zazzagewar zafi tare da tarwatsa dyes.Ana amfani da rini mai tarwatsewa don bugu na filaye na roba kuma ana amfani da su masu launin da ake amfani da su wajen kera crayons na canja wurin "ƙarfe-kan" da tawada.Hakanan za'a iya amfani da su a cikin resins da robobi don amfani da launi na gabaɗaya.