Peb feem ntau pom ob yam khoom siv, nylon thiab polyurethane, nyob rau hauv ntau yam khoom, tshwj xeeb tshaj yog nyob rau hauv thaj chaw ntawm casters. Tab sis qhov txawv ntawm lawv yog dab tsi, qhov twg muaj kev ua tau zoo dua? Cia peb tshawb nrhiav ua ke.
Ua ntej tshaj plaws, peb yuav tsum nkag siab txog qhov sib txawv tseem ceeb ntawm ob yam khoom no. Hauv lwm lo lus, polyurethane yog ib yam khoom siv elastic uas mos dua, yog li nws tsis muaj suab nrov thiab muaj kev sib txhuam ntau dua. Qhov no txhais tau tias cov polyurethane casters ua haujlwm ntsiag to dua, tab sis tej zaum yuav tsis hnav tau zoo li nylon casters.
Thiab nylon yog cov khoom siv tawv dua, uas muaj kev tiv thaiv zoo heev. Yog li ntawd, yog tias koj xav tau lub caster nrog lub peev xwm thauj khoom siab thiab kev tiv thaiv hnav, nylon casters yuav tsim nyog dua rau koj!
Yog li ntawd, vim li cas ob yam khoom no thiaj txawv ua luaj? Qhov tseeb, nws txhua yam los ntawm lawv tus kheej cov qauv tshuaj lom neeg thiab cov khoom. Polyurethane yog ua los ntawm polymerizing isocyanate nrog hydroxyl compounds, thiab nws muaj roj zoo tsis kam, tawv, tsis kam hnav, tsis kam laus thiab lo. Nylon, ntawm qhov tod tes, muaj cua sov siab, tsis kam nkees thiab tsis kam hnav, nrog rau lub zog zoo heev thiab kev ruaj khov ntawm qhov ntev.
Lub sijhawm tshaj tawm: Lub Yim Hli-12-2024