Donplast® CN30
Corrosion inhibiting admixture for reinforced concrete
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.
- Extends the working life of reinforced concrete structures.
- Compatible with other admixtures.
- 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 IBC totes. Bulk supply in tanker trucks is also available upon request.
Donplast CN30 has a shelf life of 12 months from date of manufacture if stored at temperatures between 50°F and 95°F (10°C and 35°C).
Donplast CN30 should be kept at above 46°F (8°C). If crystals form, material should be stored at room temperature and agitated thoroughly to return to normal state.
Protect from direct sunlight
The recommended dosage of Donplast CN30 is 2.0 – 6.0 gal/yd³ (10 - 30 liters/ m³) of concrete, depending on the
chloride exposure conditions.
Donplast CN30 complies with the requirements of Specification for Chemical Admixture for Concrete ASTM
C494 as a Type C admixture.