Raws li cov yam ntxwv ntawm kev siv, cov yeeb yaj kiab kub yaj tau muab faib ua ob pawg: thermoplastic thiab thermosetting, uas muaj cov yam ntxwv hauv qab no:
1. Zoo zoo ib yam thiab zoo sib xws cov thickness;
2. Cov txheej txheem yooj yim, tsis muaj qhov hnyav, yooj yim rau kev ua haujlwm;
3. Zoo adhesion rau ntau yam khoom;
4. Lub thickness yog 0 1-0.203MM, thiab cov xim yog translucent / amber;
5. tuaj yeem xuas nrig ntaus rau hauv cov duab thiab qhov loj me, haum rau cov ntawv ntshiab los yog daim ntawv thov tsis siv neeg.