Cov zaj duab xis ncab muaj nyob rau hauv ntau qhov tuab thiab dav kom haum rau ntau yam kev xav tau qhwv thiab hom khoom.
Qhov tuab feem ntau yog qhia hauv microns lossis gauge, nrog rau cov txheej txheem ncab zaj duab xis tuab yog 12-30 microns (μm) lossis 50 gauge - 120 gaude.
Feem ntau qhov dav yog nruab nrab ntawm 12 txog 20 ntiv tes (30 txog 50 cm) thiab tuaj yeem hloov kho raws li qhov xav tau tshwj xeeb.
Qhov tuab:
Cov thickness sib txawv muab ntau theem ntawm lub zog thiab kev tiv thaiv.
Cov yeeb yaj kiab tuab dua, xws li 20-35 μm (80-140 gauge), yog qhov tsim nyog rau cov khoom hnyav lossis cov khoom ntse, muab kev tiv thaiv zoo dua, zaj duab xis uas tso cai rau nws los tswj cov khoom hnyav dua.
Cov yeeb yaj kiab nyias dua, xws li 10-15 microns (40-90 gauge), zoo tagnrho rau cov khoom sib dua lossis thaum muaj kev txuag nyiaj.
Dav:
Cov yeeb yaj kiab ncab muaj ntau qhov dav, feem ntau yog 12 nti (30 cm) txog 20 nti (50 cm).
Qhov kev xaiv ntawm qhov dav nyob ntawm qhov loj thiab qhov ntev ntawm cov khoom uas raug qhwv.
Xaiv cov khoom dav dua thaum ntim cov khoom loj dua lossis cov khoom loj dua kom npog tau zoo dua thiab ruaj khov dua.
Yuav Ua Li Cas Xam Cov Lus Qhia Txog Zaj Duab Xis Uas Yuav Tsum Tau Ua
| Kev Xam Qhov Hnyav | Kev Xam Qhov Ntev |
| Qhov hnyav = Ntev (m) * tuab (um) * dav (cm) * 0.918 | Ntev = Qhov Hnyav (kg) / tuab (um) / dav (cm) / 0.918 |
| Muab Ib Piv Txwv: | |
| 550m ntev, 22um tuab, 50CM dav, qhov hnyav yog li 5.5 kgs. (550 * 0.022 * 0.5 * 0.918 = 5.5) | |
| 3 kgs qhov hnyav, 22um tuab, 50CM dav, qhov ntev yog li 297m. (3 / 0.022 / 0.5 / 0.918 = 297) | |












