Cov qhov nyob rau hauv lub yas perforated siv tso cai rau cov khoom qias neeg kom poob rau hauv pem teb. Qhov no ua rau kev ntxuav yooj yim dua ntawm lub siv thiab zoo dua nyob rau hauv lub tsev cog khoom. Tsis zoo li cov thev naus laus zis yas siv tam sim no, tshwj xeeb tshaj yog qhov dav nqaim, lub siv no yog sab hauv nrog kev txhawb nqa xov Kevlar uas khiav raws qhov ntev ntawm lub siv. Qhov no tshem tawm kev ncab mus sij hawm ntev thiab txo cov kev hloov pauv, cov nqi txij nkawm, thiab lub sijhawm tsis ua haujlwm.
Qhov zoo ntawm daim kab xev perforated qe feem ntau suav nrog:
Muaj zog ruaj khov: txoj siv sia sau qe perforated siv lub tswv yim tsim tshiab, nrog lub zog tensile siab, elongation qis, thiab cov khoom siv zoo rau ib puag ncig thiab tsis muaj kuab paug.
Kev nkag tau zoo ntawm huab cua: txoj siv sia sau qe uas muaj ntau lub qhov khoob, uas ua rau cov qe nyob rau hauv cov txheej txheem thauj khoom tuaj yeem daig rau hauv lub qhov thiab qhov chaw ruaj khov, kom tsis txhob siv txoj siv sia sau qe ib txwm muaj nyob rau hauv cov txheej txheem thauj khoom ntawm kev sib tsoo qe los ntawm kev tawg.
Yooj yim los ntxuav: kev tsim hollow kuj tseem txo cov hmoov av thiab cov quav qaib hauv qe ntawm qhov lo, yog li cov qe kom txo cov pa phem thib ob hauv cov txheej txheem thauj mus los, yooj yim los ntxuav.
Hauv ntej, txoj siv sia khaws qe perforated muaj qhov zoo ntawm kev ruaj khov, huab cua zoo permeability, yooj yim ntxuav, thiab lwm yam, uas tuaj yeem tiv thaiv cov qe zoo dua thiab txhim kho kev thauj mus los.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-23-2023