Qhov zoo thiab qhov tsis zoo ntawm PE ntoo yas

Qhov zoo

PE ntoo-yas khoom muaj cov dej tsis zoo thiab tiv thaiv corrosion, siab hardness, thiab yooj yim deformed thiab buckled thaum rhuab, tab sis cov nyhuv ntawm thickening los yog ntxeem tau hollow qauv yog zoo.

Qhov tsis zoo

1. Lub neej ntawm cov khoom siv rau sab nraum zoov yog txwv; nws yog tam sim no siv rau 3-5 xyoo;

2. Lub peev xwm los tiv thaiv oxidation thiab anti-photodecomposition muaj peev xwm tsis zoo, txawm tias cov tshuaj tiv thaiv cov pa oxygen thiab UV siv tus neeg sawv cev ntxiv, cov nyhuv tsis zoo, thiab nws tseem yuav cuam tshuam rau lub zog thiab xim ceev ntawm cov khoom;

3. Cov tsos ntawm cov khoom yog dawb huv nyob rau hauv cov xim, tsis muaj woody xav, thiab cov tsos ntawm cov nyhuv tsis zoo.