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Rocrete S

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Manufacturer
PCC Rokita SA / Phosphorus Chemistry Business Unit
Chemical name
Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (aqueous solution)
CAS No.
9084-06-4
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Rocrete S, according to PN-EN 934-2 norm, is defined as a liquefying/plasticizing admixture, i.e. enabling the reduction of the content of added batched water in a concrete mix without affecting its consistency (reducing the water-cement ratio) or increasing the fluidity of the mix without changing the amount of batched water (maintaining a constant water-cement ratio).

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Properties and applications
  • allows to reduce the amount of batched water (even by 25%) without deteriorating the consistency of the concrete mix;
  • increases the compression strength of concrete (up to 30%);
  • extends the setting time of concrete, maintaining consistency;
  • allows for less cement consumption, which reduces costs (while maintaining a constant water / cement ratio);
  • not sensitive to overdosing, easy and convenient to use;
  • low dosage of 0.5 to 3% per mass of cement;
  • can be used at temperatures of up to -5 ° C without inhibiting cement hydration;
  • does not cause corrosion of reinforcing steel (low chloride content);
  • practically does not introduce air into the concrete mix;
Categories

Markets and applications
Building & Construction / Concrete & mortar additives, Plasterboards & gypsum additives

Function
Fluidising agents
Superplasticizers

Composition
Naphthalene derivatives

Segment
Specialty Products / Specialty additives

Alternative names
Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (aqueous solution), NSF, SNF, PNS, Aqueous solution of polynaphthalenesulfonate, sodium salt, Sodium salt of polymerized naphthalene sulfonate formaldehyde condensate, Sodium polynaphthalene sulphonate, Sodium poly[(naphthaleneformaldehyde)sulfonate], Naphthalene Sulfonate Formaldehyde, Sodium Naphthalene Sulfonic Acid Formaldehyd
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