Yas Khoom nyob rau hauv lub teb chaws Yelemees

Cov yas feem ntau yog cais los ntawm: cov qauv tshuaj ntawm cov khoom siv polymer lub caj qaum thiab cov hlua sab;Qee pawg tseem ceeb hauv cov kev faib tawm no yog: acrylics, polyesters, silicones, polyurethanes, thiab halogenated plastics.

Cov yas kuj tuaj yeem raug cais los ntawm: cov txheej txheem tshuaj siv hauv lawv cov khoom sib txuas, xws li: condensation, polyaddition, thiab kev sib txuas.

Cov yas tseem tuaj yeem raug cais los ntawm: lawv lub cev muaj zog, xws li: hardness, ntom, tensile zog, tsis kam mus rau kub thiab iav hloov kub, thiab los ntawm lawv cov khoom siv tshuaj, xws li cov organic chemistry ntawm cov polymer thiab nws cov kev tiv thaiv thiab cov tshuaj tiv thaiv. Ntau yam khoom siv tshuaj thiab cov txheej txheem, xws li: cov kuab tshuaj organic, oxidation, thiab ionizing hluav taws xob.Tshwj xeeb, feem ntau cov yas yuav yaj thaum cua sov mus rau ob peb puas degrees celsius.