Elastic bands yog ib hom khoom siv tau yooj yim uas siv ntau yam kev siv, los ntawm cov khoom siv kho mob mus rau khaub ncaws. Ib txoj hlua elastic yog paub txog nws lub peev xwm ncab thiab rov qab mus rau nws qhov qub. Qhov peev xwm no yog vim qhov elasticity ntawm cov khoom siv los ua cov band.
Lub zog ntawm elastic band yog txiav txim siab los ntawm nws lub peev xwm los ncab yam tsis muaj kev tawg. Elastic bands feem ntau categorized rau ntau hom raws li lub zog ntawm cov khoom siv, thiab tus nqi ntawm stretch nws tuaj yeem tiv taus. Nyob rau hauv tsab xov xwm no, peb yuav tham txog ntau hom elastic bands, thiab lub zog ntawm txhua hom.
Cov hom muaj zog tshaj plaws ntawm elastic bands feem ntau yog ua los ntawm cov roj hmab ntuj. Cov roj hmab ntuj yog cov polymer uas tau muab los ntawm cov kua txiv hmab txiv ntoo. Bands ua los ntawm ntuj roj hmab muab siab elasticity thiab zoo heev tensile zog. Lawv muaj peev xwm tiv taus kev ntxhov siab thiab kev nyuaj siab yam tsis muaj kev tawg lossis poob lawv elasticity. Cov bands no feem ntau siv rau hauv daim ntawv thov xws li nqa qhov hnyav, kev kawm tiv thaiv, thiab txawm nyob hauv kev lag luam tsheb.
Lwm hom elastic band uas paub txog nws lub zog stretchability yog silicone band. Silicone bands yog tsim los ntawm cov khoom siv hluavtaws polymer uas yog elastic heev thiab tiv taus qhov kub thiab txias. Lawv tau tsim los tiv thaiv ib puag ncig hnyav, ua rau lawv zoo tagnrho rau kev siv hauv kev siv xws li cov khoom siv kho mob, ntim khoom noj, thiab aerospace.
Latex-free bands kuj paub txog lawv lub zog thiab kav ntev. Cov hlua no yog tsim los ntawm hluavtaws elastomers uas muaj cov khoom zoo sib xws rau cov roj hmab ntuj. Lawv yog cov zoo tagnrho rau cov neeg uas tsis haum rau latex. Cov bands no muaj kev ncab zoo heev thiab muaj kev ruaj khov, ua rau lawv zoo tagnrho rau siv hauv cov khoom siv kho mob, cov khoom siv dag zog, thiab txawm nyob hauv kev tsim kho.
Polyurethane bands yog lwm hom elastic band uas paub txog lawv lub zog. Lawv yog tsim los ntawm ib tug hluavtaws polymer uas yog elastic heev thiab muaj peev xwm tiv taus siab thiab strain. Polyurethane bands muaj kev tiv thaiv zoo heev, ua rau lawv zoo tagnrho rau kev siv hauv kev siv xws li kev thauj mus los, kev tsim kho, thiab txawm tias hauv kev lag luam kis las.
Hauv kev xaus, lub zog ntawm elastic band yog txiav txim siab los ntawm cov khoom siv los ua nws, thiab nws lub peev xwm ncav cuag yam tsis muaj kev tawg. Hom elastic bands uas muaj zog tshaj plaws feem ntau yog ua los ntawm cov roj hmab ntuj, silicone, cov ntaub ntawv tsis muaj latex, thiab polyurethane. Cov bands no muaj siab elasticity, zoo heev tensile lub zog, thiab muaj peev xwm tiv taus siab siab thiab strain. Nyob ntawm daim ntawv thov, ntau hom elastic bands tuaj yeem siv los ua kom tau txais txiaj ntsig zoo.
Peb yog cov kws tshaj lij webbing chaw tsim khoom, yog tias koj xav yuav ib qho zoo webbing lossis elastic, koj tuaj yeem tiv tauj peb
