Canvas hnab yog ib hom ntawm cov paj rwb tuab los yog linen ntaub, uas tau muaj npe tom qab lub caij nkoj thaum ntxov. Feem ntau, cov xov paj dawb yog siv, me me ntawm twill weave yog siv, thiab ntau cov xov paj yog siv rau warp thiab weft yarn. Canvas hnab feem ntau muab faib ua ob pawg: coarse canvas thiab zoo canvas. Coarse canvas, tseem hu ua tarpaulin, muaj cov dej tsis zoo. Nws feem ntau yog siv rau kev thauj mus los hauv tsheb, npog ntawm qhov chaw qhib huab cua thiab mus pw hav zoov hauv thaj chaw. Cov canvas zoo yog siv los ua cov khaub ncaws tiv thaiv kev ua haujlwm thiab nws cov khoom siv. Tom qab dyeing los yog luam ntawv, nws kuj tseem siv tau los ua cov khoom siv khau, hnab ntim khoom, hnab tes, hnab ev khoom, ntaub pua rooj, ntaub pua rooj, thiab lwm yam. Tsis tas li ntawd, muaj cov ntaub pua plag, cov ntaub thaiv npog rau kev tiv thaiv hluav taws thiab kev tiv thaiv hluav taws xob, thiab cov ntaub pua plag rau cov ntawv tshuab.
Lub hnab paj rwb yog sib dua thiab thinner, thiab cov paj rwb xov yog thinner, tighter thiab softer. Lub load yuav tsum qis dua canvas, thiab kev sib txhuam yuav tsum zam kom ntau li ntau tau.
Lub hnab canvas thiab hnab paj rwb yog tsim los ntawm cov khoom siv ntuj tsim thiab muaj nyob rau hauv ib puag ncig tiv thaiv hnab. Lawv muaj zog heev, zoo nkauj thiab rov siv dua. Lawv tuaj yeem ntxuav tau thaum qias neeg yam tsis muaj deformation
