Kev ceev faj rau xaiv cov yeeb yaj kiab tiv thaiv

1. Cov chaw sib txawv xav tau cov viscosity sib txawv;
2. Cov ntaub ntawv sib txawv nrog tib qhov chaw zoo sib xws kuj yuav xav tau cov viscosities sib txawv;
3. Cov kauj ruam tom ntej yog tus yuam sij rau kev txiav txim siab viscosity. Kev ua haujlwm tom ntej feem ntau suav nrog khoov, stamping, txiav, drilling, thermoforming, thiab lwm yam.;
4. Tsim nyog sib piv ntawm thickness thiab viscosity;
5. Lub zog tensile thiab elongation ntawm cov yeeb yaj kiab tiv thaiv kom ntseeg tau tias qhov yooj thiab lub zog ntawm cov yeeb yaj kiab tiv thaiv tuaj yeem ua tau raws li qhov yuav tsum tau ua;
6. Lub hauv paus ntsiab lus ntawm kev tiv thaiv zaj duab xis xaiv: tag nrho cov kev xeem.