2% ~ 5% van die molekulêre sif (poeier) in die stelsel is voldoende om die oorblywende vog in die PU -stelsel te verwyder, maar dit is uiteindelik afhanklik van die vog in die stelsel.
In the epoxy zinc-rich primer, a trace amount of water will produce a great reaction with the zinc powder, produce hydrogen, increase the pressure in the barrel, shorten the service life of the primer, resulting in the tightness, wear resistance and hardness of the coating film. Molecular sieve (powder) as a water absorption desiccant, which is totally physical adsorption, will eliminating water and without any react with the substrate. Molekulêre sif is dus veilig en gerieflik vir die anti-korrosiewe deklaagstelsel.