Ob qho emulsions tseem ceeb uas siv hauv kev lag luam coatings yog Polyvinyl Alcohol (PVA) thiab Vinyl Acetate Ethylene (VAE). PVA yog paub txog nws qhov zoo film-forming peev xwm thiab cov khoom muaj zog bonding, uas ua rau nws ruaj khov thiab tiv thaiv dej. Hauv lwm sab, VAE emulsions yog flexible thiab tso cai rau ntau yam kev hloov kho kom nce lawv cov haujlwm. Ob qho khoom no ua lub luag haujlwm tseem ceeb hauv kev tsim cov txheej txheem coating zoo siab uas tsim los rau kev txaus siab rau ntau yam kev xav tau ntawm cov neeg siv khoom hauv ntau lub khw.