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YUSI--207662  
                1--Hydroxyethylidenediphosphonic Acid£¨HEDPA£©

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Chemical formula :       PO3H2
                            |
                       CH3¡ªC£­OH 
                            | 
                            PO3H2 

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 Performance :


    Hydroxyethylidenediphosphonic Acid (HEDPA) possesses excellent sequestering ability through the formation of complexes with ions of calcium or barium at active growth sites on the surface of crystals. Thereby the deposition of calcium carbonate, calcium sulfate and barium sulfate are inhibited. When HEDPA mixed with zinc, an anti-corrosion film will be formed on steel or copper surface and the dosage of HEDPA required for protection will be reduced.
    At high carbonate hardness and in 50¡æ  cooling water, the application of HEDPA demonstrated an effective scale and corrosion inhibition. Good compatibility with most water treatment chemicals, stable at chlorine levels, commonly encountered, and aquatic organisms.

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Specification :

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Appearance  Colorless or light yellow clear liquid
Active constituent ¡Ý60¡À2%
Phosphorous Acid  ¡Ü3.0%
Density g/ml 20  1.35-1.40
pH 1% water solution  1-2
Solubility  Miscibe in water in all proportions 

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Application :
    Scale inhibitor and corrosion inhibitor for circulating cooling water system of petrochemical industry, power plant and metallurgical industry ;
    Suitable for interner treatment of boiler and electroplating non-cyanide.

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Packing and storage :
    250Kg or 25Kg in plastic drums or bottles ;
    Storage time --One year.

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   2075 SERIES | 20752 | 20754 | 20756 | 20759|

   2076 SERIES | 20769 | 207612 | 207662 | 2076111 | 2076561 |

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