Polyurethane (shafi, sealants, adhesives)
Danshi a cikin tsarin PU yana amsawa tare da isocyanate, ko da a cikin kayan polyurethane guda ɗaya ko biyu, wanda ke samar da amine da carbon dioxide, amine ya ci gaba da amsawa tare da isocyanate, don haka amfani da shi don saki iskar carbon dioxide a lokaci guda, samar da kumfa a saman fim ɗin fenti, wanda ke haifar da lalacewa ko ma aikin gazawar fim ɗin fenti.
2% ~ 5% na sieve kwayoyin (foda) a cikin tsarin ya isa ya cire ragowar danshi a cikin tsarin PU, amma a ƙarshe ya dogara da danshi a cikin tsarin.
Maganin rigakafin lalata
A cikin epoxy zinc-rich primer, adadin ruwa na ruwa zai haifar da babban dauki tare da foda na zinc, samar da hydrogen, ƙara matsa lamba a cikin ganga, rage tsawon rayuwar sabis na firam ɗin, yana haifar da ƙima, juriya da taurin kai. na fim ɗin shafa.Molecular sieve (foda) a matsayin desiccant na sha ruwa, wanda ke gaba ɗaya adsorption na jiki, zai kawar da ruwa kuma ba tare da wani amsa tare da substrate ba.Don haka sieve kwayoyin yana da aminci kuma ya dace don tsarin suturar lalata.
Ƙarfe foda shafi
Irin wannan halayen na iya faruwa a cikin rufin foda na ƙarfe, kamar a cikin kayan foda na aluminum.
Samfura masu alaƙa:JZ-AZ Molecular Sieve