Hwm tus kheej loj loj 7 pob tawb - Tsis yog - Slow PU Tsim

Dab tsi yog qhov sib txawv ntawm PU thiab roj hmab:
1. Cov ntaub ntawv sib txawv
Cov roj hmab basketballs yog ua los ntawm roj hmab; PU basketballs yog ua los ntawm cov khoom siv hluavtaws.
2. Sib txawv venues
Cov txheej txheem pob tawb loj dua txhua qhov kev siv pob tawb ua tau los ntawm cov khoom ua si pu zoo dua, thaum cov roj hmab pob tawb siv los ntawm cov neeg rau kev lom zem txhua hnub.
3. Sib txawv xav ntawm kev siv
Cov roj hmab pob tawb hnov ​​cov tawv; PU basketballs yog ua los ntawm cov khoom siv hluavtaws, uas yog qhov yooj yim heev nyob rau hauv cov nqe lus ntawm elasticity thiab xav.
4. Cov nqi sib txawv
Cov roj hmab basketballs yog qhov pheej yig thiab haum rau cov menyuam yaus thiab kev lomzem; PU basketballs yog tus nqi kuj yog kim thiab haum rau cov pib tshiab thiab cov neeg nyiam ua si.
5. Txawv qib ntawm kev hnav tsis kam
Cov roj hmab basketballs muaj zog elasticity thiab tsis yog tshwj xeeb tshaj plaws thaum tag nrho inflated, thiab lawv cov chaw tsis yooj yim puas (ntawm no yog hais txog cov dej corrosion); PU basketballs muaj tsuas yog txoj cai elasticity thiab yog qhov nyuaj thaum tag nrho inflated, thiab cov npoo yooj yim thaum ntub.
Qhov Zoo Ntawm Cov Pu Basketball Thiab Roj Hmab Basketball:
Cov hnav tsis kam ntawm pu pob tw yog ntau npaum li cas rau ob peb lub sijhawm uas cov khoom siv roj hmab zoo tib yam. Cov khoom siv PU yog qhov ntau siv nyob rau hauv lub neej tiag tiag thiab yog tus phooj ywg ib puag ncig. Nws cov kev ua tau zoo hauv txhua qhov yog ze dua lossis txawm tias zoo dua li txoj kev tawv tiag.
PU tawv feem ntau yog hais txog cov tawv microfiber. Lub npe tag nrho ntawm Microfiber Tawv yog "Microfiber txhawb nqa tawv". Nws muaj qhov tsis tshua muaj kev tiv thaiv zoo heev, kev ua pa zoo heev thiab kev kub ntxhov, muaj cov kev tiv thaiv muaj zog thiab tam sim no tawm tsam rau kev tiv thaiv ib puag ncig.
Roj hmab basketball muaj cov elasticity zoo thiab tsawg elastic modulus. Nws feem ntau muaj qhov loj elongation deformation ntawm 1 thiab 9.8MPA. Lub elongation yuav yog siab npaum li 1000%. Nws tseem qhia cov yam ntxwv zoo thiab tuaj yeem siv rau hauv ntau qhov kub (- Tseem yog elastic nyob rau hauv thaj tsam ntawm 50 txog 150 ℃).
Cov Visoelasticity ntawm cov roj hmab pov pob. Roj hmab yog lub cev PCSOtic. Vim muaj cov rog ntawm cov macromolecules, roj hmab cuam tshuam los ntawm cov rog sab nraud. Thaum deformation tshwm sim, nws muaj kev cuam tshuam los ntawm tej yam kev mob xws li lub sijhawm thiab kub, thiab ua kom pom tseeb kev ntxhov siab so thiab nkag siab zoo.

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