Lub softness ntawm kub yaj xov paj muaj ib tug tej yam kev sib raug zoo nrog nws thickness. Feem ntau, thinner heat melt yarns zoo li softer, thaum thicker heat-melt yarns kuj tawv. Qhov no yog vim hais tias cov yarns thinner yuav woven los ze zog ua ke, tsim ib tug softer kev ntxhib los mos.
Tsis tas li ntawd, qhov softness ntawm cov xov paj kub yaj kuj yuav cuam tshuam los ntawm kev xaiv cov ntaub ntawv, cov qauv ntawm cov xov paj thiab cov tshuab ua haujlwm. Qee cov khoom lag luam kub-melt yog tshwj xeeb kho, xws li ntxiv cov softeners lossis siv cov txheej txheem spinning tshwj xeeb, uas tuaj yeem txhim kho lawv cov softness ntxiv. Yog li ntawd, thaum xaiv cov xov paj kub-melt, cov xov paj tsim nyog yuav raug xaiv raws li cov kev thov tshwj xeeb thiab qhov xav tau softness.
