Naphthalene besed superplasticizer

Key Attributes.

FDN-20 is a naphthalene based high range water reducer. This product is made by industrial Naphthalene, Beta-sulphonate, Formaldehyde and Alkali via sulphuration, hydrolyzation, condensation and neutralization reactions. It belongs to non-air-entraining uperplasticizer. Chemical Compositions: Main ingredient is naphthyl sulfonate formaldehyde condensate. Type: FDN-20 Appearance: yellow beige Water reduction: 18%-30% PH Value (10g/L): 7-9 Sodium sulfate(Na2SO4): 18.0% max We also have: FDN-05 (Na2SO4: 5.0% max.) FDN-10 (Na2SO4: 10.0% max.) FDN-30 (Na2SO4: 20.0% max.)