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Sodium Naphthalene Sulphonate Formaldehyde
Naphthalene Sulfonate Formaldehyde (SNF/NSF /PNS) raw material naphthalene superplasticizer is non-corrosive, non-chlorine compound antifreeze admixture which has antifreezing, water-reducing, early-strength, air entraining, etc performance, helps to lower the freezing point, prevent concrete from freezing damage etc.
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