snf superplasticizer
Jan 06, 2020
Sodium naphthalene sulfonate formaldehyde (SNF / PNS / FND), kuj tseem hu ua poly naphthalene sulfonate lossis naphthalene superplasticizer, belongs rau ib hom kev ua dej loj rau txo cov dej, thiab nws tuaj yeem siv rau hauv cov cement thiab kev tsim kho kev lag luam.
