Description
Treatment for Open Circuit Evaporative Cooling Systems
Description and Use
CG401 / AT-2313 is an alkaline zinc phosphonate based multi-functional scale and corrosion inhibitor for open cooling systems. The product benefits from the inclusion of a dispersant co-polymer which extends the solubility of the Zinc aiding stability over a wide range of temperature and pH variations and provides scale and corrosion control over a wide range of water qualities and operational conditions.
Dosage Rates
Like most film forming corrosion inhibitors, maximum protection is afforded if a pre-treatment period is adopted. CG401 / AT-2313 is dosed at 3 times the normal dosage for a period of 5 days at the start of the treatment programme, enabling a strong film to be built up quickly. Similarly, should the normal dosage be interrupted for any length of time, an elevated dosage for a short period of time will re-establish maximum protection in the shortest possible time.
CG401 / AT-2313 should be dosed to maintain a minimum reserve of 100ml/m3 in the system water at all times. For maximum control continuous dosing is desirable, using a water meter controlled dosing system.
Dosage (ml/m3 of make-up) = Reserve required in recirculation / Concentration factor
Eg. 100ml/m3 / 5 (cf) = Dosage rate of 20ml/m3 of make-up
Typical Properties
Colour…………………………………. Light brown
Odour…………………………………. Characteristic. Ammonia
Relative Density…………………… 1.25-1.30
pH-Value…………………………….. >13
Solubility…………………………….. Soluble in water
Safety, Storage & Handling
For full details concerning safety precautions, storage and handling procedures for this product please refer to the latest Safety Data Sheet.
To request the latest MSDS for this product please fill out the form below.
