Felt, ib qho cuab yeej siv feem ntau hauv kev lag luam, feem ntau yog ua los ntawm cov ntaub plaub, tab sis kuj yog ua los ntawm nyuj plaub hau los yog fiber ntau los ntawm kev ua thiab kev sib txuas. Lub ntsiab feature yog elasticity, uas yuav siv tau raws li ib tug khoom rau shockproof, sealing, gasket thiab elastic hlau daim card khaub ncaws hauv qab xav. Siv nyob rau hauv ntau yam kev lag luam machinery-anti-vibration, roj-muaj lubrication, kev sib txhuam tsis kam thiab lwm yam lag luam.
