Naphthalene Sulfonate Formaldehyde(Na2SO4 ≤5%)

Naphthalene Sulfonate Formaldehyde(Na2SO4 ≤5%) System 1

Naphthalene Sulfonate Formaldehyde(Na2SO4 ≤5%)

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 10000 kg

Supply Capability:: 100000 kg/month

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Naphthalene Sulfonate Formaldehyde (NSF/PNS)
(FDN Na2SO4 ≤ 5%)

Description
FDN is a high concentrate naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc.. FDN contains no chloride. It conforms to the requirements of chemical admixture specifications for concrete: ASTM C 494, Type F; ASTM C 1017.

Applications
1. FDN is suitable to make autotrophic concrete, steam curing concrete, steel concrete, prestress concrete, etc.
2. FDN is compatible with Portland Cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc.
3. FDN can be used to make C80 concrete with slump loss between 50mm and 70mm, or C60 concrete with that between 180mm and 220mm.
Features and Benefits
1. Non-toxic, non-irritating and no corrosion to steel bars.
2. High water reducing rate: over 25%.
3. Strengthening ability.
4. Improving concrete durability and impermeability.
Uses and Dosages
It can be added during mix or after mix, while the latter approach is preferential.
Dosage normally ranges from 0.4% to 1.0% of the weight of cementitious material, while the recommended dosage is 0.5%.

Package
It’s packed in woven fabric bag with plastic liner. Net weight: 25kg.

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