Cemairin 280 is available in 275 gal (1,041 litre) and 330 gal (1,249 litre) IBC totes. Bulk supply in tanker trucks is also available upon request.
Cemairin 280 has a shelf life of 12 months from date of manufacture if stored at temperatures between 35°F and 122°F (2°C and 50°C).
Cemairin 280 should be added to the concrete with the mixing water to achieve optimum performance.
An automatic dispenser should be used to dispense the correct quantity of Cemairin 280 to the concrete mix.
The recommended dosage of Cemairin 280 to achieve air content in range of 3 - 7% is ¼ to 2.3 fl oz/100 Ib (16 - 150 ml/100 kg) of cement or cementitious materials in the mix including GGBFS, PFA or micro-silica.
Representative trials should be first conducted to determine the optimum dosage of Cemairin 280 to meet the performance requirements by using the materials and conditions in actual use.
POINTS TO BE CONSIDERED AFFECTING AIR ENTRAINMENT
Any variation in the following factors can cause change in the air content:
EFFECTS OF OVER DOSAGE
Overdosage of Cemairin 280 will cause the following:
HEALTH AND SAFETY
Consult the appropriate Material Safety Data sheet prior to using Cemairin 280.
This data sheet is for general guidance purposes only and may contain information that is inappropriate for certain conditions of use. Accordingly, all recommendations and suggestions are made without guarantee. Further information is available from our Technical Department.
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Don Construction Products Inc.
Fax: +1 803 286 5432