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Hydrex® 2920 is a specially prepared polymer based treatment for the prevention of scaling in cooling systems, boiler and boiler feed lines by causing calcium and magnesium hardness to form a light mobile floc easily removed by blowdown.
Hydrex® 2921 is a non-ionic surface-active product. It is designed to penetrate and disperse accumulated biomas. It assists water treatment biocides to penetrate biological slime, thereby enhancing their effectiveness. It is effective for the removal of oil and grease from cooling towers.
Hydrex® 2922 is a totally organic formulation designed to inhibit corrosion and scale formation in open recirculating cooling circuits. It is based upon compounds of low toxicity and of low impact to the environment. The product gives good corrosion protection to both ferrous and non-ferrous metals.
Hydrex® 2923 is a blend of phosphonate, zinc salt and organics designed to control corrosion and scale formation in open, recirculating cooling systems. Since it is neither strongly alkaline noracidic, it is particularly useful for systems where pH is critical e.g. galvanised cooling towers.
Hydrex® 2927 is a liquid corrosion and scale inhibitor based on sodium nitrite for closed heating and cooling systems and chilled water circuits using distilled or fresh water. Effective even where oxygen may be re-entrained in the circulating water.
Hydrex® 2970 is an azole based inhibitor specifically designed to protect copper in cooling and closed heating systems.It is normally dosed to obtain 30 ppm in the circulating water.The product should be added to the system as a minimum of once per week, but the frequency of dosage will be related to the turnover of system content.
Hydrex® 2971 is an azole based inhibitor specifically designed to protect copper in cooling and closed heating systems.It is normally dosed to obtain 250 ppm in the circulating water.The product should be added to the system as a minimum of once per week, but the frequency of dosage will be related to the turnover of system content.
Hydrex® 2972 is an alkaline compound for pre-commission cleaning of newly constructed or badly fouled cooling circuits.It will remove grease and light rust from new circuits.Also, it will remove mud, organic/biological fouling in open circuits which may not be removed by regular water treatment practices
Hydrex® 2973 is based on silicone in the form of an aqueous emulsion and is used to control foaming in many industrial processes. It is not generally recommended for use in boilers.
Hydrex® 2974 is a unique product which incorporates the latest developments in local and overseas technology for excellent corrosion and scale control without the use of any heavy metals.It is composed of organic and inorganic phosphates, polymers and other proprietary compounds specifically formulated for use in soft to medium hardness waters.
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