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Donplast CN30®
Corrosion inhibiting admixture for reinforced concrete
  • Extends the working life of reinforced concrete structures.
  • Compatible with other admixtures.

Donplast CN30 is a calcium nitrite based concrete admixture which acts as a corrosion inhibitor for steelreinforced concrete. Donplast CN30 contains a minimum of 30% of calcium nitrite.

  • Recommended for all types of steel-reinforced concrete in environments that have exposure to chlorides or de-icing salts.
  • Protects against steel corrosion in reinforced concrete.

Donplast CN30 is available in 5 gal (19 litre) containers as well as 275 gal (1,041 litre) and 330 gal (1,249 litre) IBC totes. Bulk supply in tanker trucks is also available upon request.


The recommended dosage of Donplast CN30 is 7.2 - 28.7 fl oz/ft³ (7.5 - 30 liters/ m³) of concrete, depending on the chloride exposure conditions.

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Donplast CN30®
Donplast CN30®