Kev saib xyuas lub luj taws ntawm cov poj niam khau: Khaws qhov zoo ntawm koj nkawm khau. Yog tias tsim nyog, peb xav kom koj ntxuav cov tawv nqaij, siv cov ntaub so ntswg qhuav kom tshem tawm cov av los yog hmoov av. Khaws koj nkawm khau kom deb ntawm qhov chaw cua sov ncaj qha kom lawv tsis txhob qhuav.
EVA yog qhov zoo.
qhov txawv:
1. Hardness: plastic>EVA>roj hmab, elasticity yog qhov opposite.
2. Aging and deformation: plastic>EVA>roj hmab.
3. Taste: EVA>rubber>yas.
4. Weight: rubber>plastic>EVA.
Cov khau khiab txawv ntawm cov khau zoo tib yam, vim tias cov khau zoo tib yam tuaj yeem npog cov duab ntawm ko taw kom ua tiav cov txiaj ntsig zoo, tab sis khau khiab tsis tuaj yeem. Cov neeg uas muaj ko taw rog yuav tsum tsis txhob hnav khau khiab taw thiab nyias. Lub hauv ntej ib nrab yog khoob, uas yog qhov tsis zoo tshaj plaws. Thaum muas khau khiab, koj yuav tsum tau them sai sai rau npog koj qhov tsis txaus. Thaum yuav khoom, koj yuav tsum tau xyuam xim rau cov khoom, cov duab, thiab kev ua haujlwm, thiab qhov tseem ceeb tshaj, txawm tias nws yog qhov tseeb lossis tsis yog, thiab lub koob npe nrov ntawm cov tub lag luam.
Cim npe nrov: Cov poj niam tiaj tus khau khiab, Tuam Tshoj poj niam tiaj tus khau khiab manufacturers, hoobkas
