Cov hnab ntim sab nraum zoov yog cov khoom tsim tshwj xeeb rau cov chaw sab nraum zoov, feem ntau yog tsim los tiv thaiv ntau yam khoom los ntawm lwm yam xws li ya raws, plua plav, thiab UV hluav taws xob.
Cov hnab no feem ntau yog tsim los ntawm siab - lub zog, siab - cov ntaub ntawv ceev - xws li nylon lossis polyester - uas muaj cov khoom zoo ntawm lub cev thiab tuaj yeem tiv taus lub zog tensile thiab compressive zog. Txhawm rau txhim kho cov dej tsis kam, qhov saum npoo feem ntau tau kho nrog cov txheej txheem dej tsis zoo uas ua rau muaj qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom. Tsis tas li ntawd, qee cov qauv siab - kawg siv cov cuab yeej tshwj xeeb sealing technologies- xws li kev sib khi thaum tshav kub kub los yog cov zipper kaw -kom muaj kev ruaj ntseg sealing.
