1. Ko te konutai naphthalene sulfonate formaldehyde FDN ka kiia hoki ko te naphthalene based superplasticizer, poly naphthalene sulfonate, sulfonated naphthalene formaldehyde. Ko tona ahua ko te paura parauri marama. Ko te SNF superplasticizer he mea hanga mai i te naphthalene, te waikawa sulfuric, te formaldehyde me te turanga wai, ka whai i te raupapa o nga tauhohenga penei i te sulfonation, hydrolysis, condensation and neutralization, ka maroke hei paura.
2. Ko te Naphthalene sulfonate formaldehyde e kiia ana he superplasticizer mo te raima, no reira he mea tino pai mo te whakarite o te raima kaha-kaha, te raima-whakaora, te raima wai, te raima kore, te raima parewai, te raima kirihou, nga tutaki rino me te raima. raima whakakaha. I tua atu, ka taea hoki te whakamahi i te konutai naphthalene sulfonate formaldehyde hei dispersant i roto i te hiako, te kakano me te ahumahi tae, me etahi atu Hei kaihanga ngaio o te superplasticizer naphthalene i Haina, ka whakarato tonu a Longou i te paura SNF kounga teitei me nga utu wheketere mo nga kaihoko katoa.