Cov ntaub ntawv nquag ntawm cov roj hmab bands yog tam sim no muab faib ua peb pawg, zoo} Qhov tseem ceeb ntawm cov khoom siv thiab cov khoom sib txawv ntawm cov khoom lag luam thiab cov ntawv thov sib txawv.
Tom ntej no, cia peb saib lawv qhov sib txawv thiab cov khoom ntawm cov ntaub ntawv .
{{0 {}} roj hmab ntuj roj hmab
Cov roj hmab cov ntaub ntawv siv los ua cov roj hmab bands yog qhov tsim thiab ua tiav los ntawm cov khoom siv roj hmab zoo li no, thiab yog ua los ntawm cov txheej txheem xws li cov txheej txheem xws li cov txheej txheem, thiab ntiv nplhaib txiav .
Vim yog cov yam ntxwv ntawm cov roj hmab bands uas yuav tsum tau rov qab zoo, thiab muaj txiaj ntsig zoo ntawm lub neej zoo, thiab lub neej zoo ua haujlwm.
Cov roj hmab bands ua nrog cov thev naus laus zis ua tau zoo thiab tom qab ntawd cov roj hmab rings, roj hmab rings, roj hmab rings, roj hmab rings, roj kev siv roj hmab .
2.} ntuj zoo
Nws yog synthesized los ntawm latex polybutadiene thiab styrene-butadiene latex, nrog cov ntsiab lus zoo ntawm txog 30% .
Muaj cov roj hmab zoo sib xws ntawm cov roj hmab roj hmab roj hmab thiab cov khoom siv sib txawv ntawm cov khoom siv thiab ntau dua li ntawm cov silicone, thiab nws yog softer thiab xis nyob Kov .
Txawm li cas los xij, cov roj hmab looj roj hmab rau lub plab muaj qhov tsis muaj pungent, kev kub ntxhov qis, thiab qis dua kev kub ntxhov hauv lub neej thiab tensile rebard int ....
3.} silicone
Cov khoom siv roj hmab silicone tam sim no yog tam sim no cov khoom siv roj hmab roj hmab uas muaj kev nyab xeeb thiab muaj kev tiv thaiv ntau dua thiab muaj kev ruaj khov zoo dua.
Nws yog dav siv rau lub sijhawm ntev sib chwv nrog daim tawv nqaij, cov plaub hau ris, thiab lwm yam khoom siv hluav taws xob rau cov roj hmab band {}}
However, silicone rubber bands are not as good as rubber and latex materials in terms of tensile strength, and their production capacity is low, and the material cost is high.
Muaj peb hom roj hmab bands tam sim no nyob rau hauv ntau cov haujlwm sib txawv, thiab cov yam ntxwv, thiab cov neeg siv khoom tuaj yeem xaiv raws li lawv cov kev xav tau .
