Nyob rau hauv feem ntau cov ntaub ntawv polymer, degradation yog ib tug undesirable txheej txheem. Nws feem ntau ua rau muaj kev hloov pauv hauv cov qauv tshuaj thiab lub cev ntawm
lub teeb stabilizer
Dab tsi yog daim ntawv thov teb ntawm UV Absorber
