I. Cov Khoom Siv Cov Khoom Uas Rau Cov Hnab DradString
Drawstring hnab siv ntau yam ntawm cov khoom siv suav nrog cov ntaub ntawv canvoog
Ii. Kev sib piv ntawm cov khoom sib txawv (canvas, nylon, pp, thiab paj rwb thiab ntaub pua chaw)
1. Lub Neej
Canvas:Canvas is made of cotton or cotton blends with high fabric density and tight fiber structure so it has strong anti-stretching and anti-wear capabilities. Nws tsis yooj yim kom muaj cov fiber ntau tawg lossis ntug hnav nyob rau hauv ib txwm siv thiab tuaj yeem tiv thaiv nrog lub hnab ev khoom thiab lub neej pabcuam feem ntau mus txog 1- 3 xyoo. Tab sis lub sij hawm ntev tau mus rau puag ib puag ncig lossis nquag siv lub nra hnyav tuaj yeem ua rau cov paj rwb muaj zog lossis hnav hauv zos.
Nylon: Nylon (polyamide) yog cov hluavtaws fiber ntau nrog cov qauv molecular ruaj khov thiab kev nruj heev. Nws cov anti {- ncab muaj zog yog 1.,5}}}}} 2 zaug ntawm cov canvas thiab nws cov coj tsis kam yog qhov zoo dua li feem ntau cov ntuj. Nws tsis yooj yim rau deform los yog so txawm tias muaj folding ntau kev sib txhuam lossis cov khoom siv pob ncaws pob thiab cov pob ncaws pob) thiab muaj lub neej pabcuam feem ntau ntawm 3-5 xyoos. Nws tseem tiv taus cov mildew thiab npauj ua rau nws haum rau kev siv ntev ntev.
PP: PP yog tsim los ntawm woven lossis txhaj - Moulded polypropylene nrog du nto thiab nruj molecular kev npaj. Nws muaj kev coj zoo tsis kam nyob rau hauv luv- kev siv tab sis qaug zog anti- kev ua haujlwm. Ntev - Term tau ua rau lub hnub ci yuav yooj yim ua rau cov khoom tawg thiab txo qhov kev tiv thaiv}} ncab muaj peev xwm. Nws tuaj yeem siv sab hauv tsev ib txwm muaj rau 1 - 2 xyoo tab sis ntev mus ncig ua si sab nraum zoov vim yog ctraviolet hluav taws xob.
Paj rwb thiab ntaub pua chaw: hauv cov paj rwb thiab ntaub pua rooj cov ntaub ntawv paj rwb yog muag tab sis muaj zog tsis muaj zog me me tab sis siab brittleness. Tag nrho cov kev ua tau zoo tshaj plaws ntawm lawv qhov sib tov yog tseem qis dua li ntawm cov canvas thiab nylon. Nquag sib txhuam thaum siv txhua hnub (xws li muab tso rau hauv ib lub hnab tes ua ke thiab hu nrog cov yuam sij thiab tshuaj pleev ib ce) yuav yooj yim ua rau dej kom yooj yim. Paj rwb thiab cov ntaub pua chaw kuj yooj yim nqus noo noo thiab mildew thiab tsis muaj kev sib cav sib luag (xws li tsis muaj qhov ua kom lub sijhawm ua haujlwm ib nrab ntawm ib xyoos.
2. Waterproofness
Canvas: zoo tib yam tsis tau canvas muaj kev ua haujlwm tsis zoo waterproof. Paj rwb tau yooj yim los nqus dej noo thiab yuav nkag mus thaum ntsib dej nrog qeeb ziab nrawm nrawm. Siv nws los tuav cov khoom ntub (xws li cia li ntxuav phuam) yuav ua kom lub hnab ntim ntub dej. Canvas kho nrog dej tsis muaj dej (xws li paraffin txheej thiab tiv thaiv me ntsis ntawm kev txi hnub) tab sis tsis tuaj yeem tiv thaiv ntev lossis hnyav cuam tshuam dej.
Nylon: Feem ntau nylon drawstring hnab yog kho nrog cov tshuaj tua dej thiab tuaj yeem tawm ntawm cov khaub ncaws ua si uas muaj cov khoom nag) kom cov khoom los nag) kom cov khoom los nag) kom cov khoom los nag) kom cov khoom los nag. Qee qhov siab -} Cov ntaub ntawv nylon (xws li nylon 66) tuaj yeem ua tiav nrog kev nce sijhawm (xws li rov qab siv dua).
PP: PP nws tus kheej muaj qhov tsis -} polar qauv nrog tsis muaj dej nqus thiab du waterproof ua tau zoo. Nws tuaj yeem thaiv cov dej nkag mus seb nws puas tawg dej lossis luv {{- Lub pas dej da dej ib ncig ntawm chav dej thiab cov ntoo hauv chav dej). Nws tsuas yog xav tau yooj yim so kom qhuav kom qhuav tom qab tau hu rau dej yam tsis muaj kev txhawj xeeb txog cov khoom noo noo kev nqus thiab mildew.
Paj rwb thiab ntaub pua chaw: paj rwb thiab ntaub pua ntaub muaj qhov tsis zoo tshaj plaws kev ua haujlwm. Ob lub suab paj rwb thiab cov ntaub linen fibers yog hydrophilic fibers uas yuav sai sai thaum ntsib dej ua rau lub hnab ntim hnyav thiab nyuaj kom qhuav. Siv nws nyob rau hauv cov khoom ntub lossis tuav cov khoom ntub yuav tsis tsuas yog ua cov mildw ntawm paj rwb thiab cov ntaub pua chaw yog li nws tsis tshua siv nyob rau hauv cov xwm txheej uas yuav tsum muaj dej.
3. Qhov hnyav
Canvas: Canvas yog qhov hnyav vim tias nws cov kev siv hluav taws xob ntau thiab feem ntau cov ntaub ntawv paj rwb. Ib lub hnab drillstring nrog cov tuab tuab (xws li 8-oppe canvas) thiab lub peev xwm ntawm txog 100-200 grams. Ib lub hnab drawb ntawm tib lub peev xwm ua los ntawm cov canvased canvas (xws li 16-ooj canvas) tuaj yeem hnyav li 250-300 grams. Nws muaj qhov kev paub txog qhov hnyav thaum nqa khoom thiab yog tsim rau cov xwm txheej yog qhov yuav tsum tau tab sis kev ncig yuav khoom me me (xws li mus ncig ua si txhua hnub).
Nylon: Nylon yog lub teeb hluavtaws hluavtaws hnyav. Nyob rau hauv tib tuab thiab muaj peev xwm nws qhov hnyav tsuas yog 1/2 - 2/3 ntawm ntawd ntawm cov canvas. Ib qho kev sib dhos 10l nylon drawstring hnab nyhav li 80-120 grams. Txawm tias ib tug high-ceev waterproof nylon cov khoom muaj qhov hnyav ntawm tsis muaj ntau tshaj 150 grams rau tib lub peev xwm. Nws yuav luag tsis muaj kev nkag siab ntawm qhov hnyav thaum nqa thiab yog haum rau cov xwm txheej uas yuav tsum muaj qhov chaw siab xws li kev tawm dag zog siab thiab kev ncig ua si sab nraum zoov.
PP: PP muaj qhov ceev qis (txog 0.91g / cmÃ) thiab yog lub teeb pom kev zoo tshaj plaub cov ntaub ntawv. Ib lub hnab teeb thib 10l pp pp feem ntau nyhav tsuas yog 50-80 grams. Nws kuj tseem mos thiab muab tais nrog cov ntim me me tom qab ntim me me tom qab muab tso rau hauv lub hnab tshos lossis hnab ev ntawv rau standby. Nws yog qhov haum rau cov xwm txheej yuav tsum muaj qhov chaw yuav khoom xws li yuav khoom ib ntus thiab taug kev.
Paj rwb thiab ntaub pua chaw: Qhov hnyav ntawm paj rwb thiab ntaub pua ntaub yog nruab nrab ntawm cov ntaub qhwv thiab nylon. Ib lub paj rwb 10l thiab cov ntaub pua tsev tawm ntawm lub hnab ntim kev hnyav txog 120-160 grams. Txij li linen fibers yog sib zog dua li cov paj rwb fibers qhov siab dua cov ntsiab lus linen lub hnab ntim ntawm tib lub peev xwm hnyav txog 100-130 grams). Tab sis txhua yam nws tseem tuab dua li nylon thiab pp thiab muaj kev paub me ntsis ntawm qhov hnyav thaum nqa. Nws yog qhov haum rau cov xwm txheej txhua hnub uas cov ntawv nyeem ntawm cov ntaub ntawv ntuj tau txais kev pab.
