Alco Chemical Introduces Breakthrough in Water Treatment Corrosion Control


CHATTANOOGA, TN, October 19, 2006- Alco Chemical has introduced METAFLEX(TM) EP Corrosion Inhibitor, an advanced new development in corrosion control for water treatment systems.

METAFLEX EP is a new breed of yellow metal corrosion inhibitor derived from a family of compounds widely known to form strong complexes with metal ions in solution. The utilization of this complexing functionality provides the needed attraction to the metal surface, while careful selection of the substituents provides a hydrophobic shield of optimal strength and durability. These unique molecular properties result in an inhibitor that provides new choices in treating yellow metals. METAFLEX EP, which is supplied as a 25% active solution, is not a direct replacement for azole chemistries, but an alternative method of treating yellow metals.

Designed to form durable films, METAFLEX EP offers improved film stability compared to Azole and eliminates the need for a continuous residual inhibitor. Moreover, three slug dosages of METAFLEX EP provide protection for 90 days.

Additional benefits of the METAFLEX EP product advancement include exceptional bond strength, stability in harsh conditions, protection from white rust, effective reduction of mild steel corrosion and easy measurement via colorimetric analysis.

METAFLEX EP is one of several products Alco makes for water-treatment applications. Other products include AQUAMET® Metal Precipitants, AQUATREAT® Microbiocides, AQUATREAT® and NARLEX® Polymers, NSIGHT(TM) Natural Clarification Polymers, VERSAFLEX® High Performance Polymers; and VERSA-TL® sulfonated polymers.

For more information on METAFLEX EP Corrosion Inhibitor and other Alco products, visit www.alcochemical.com or contact
Alco Chemical
909 Mueller Drive,
Chattanooga, TN 37406,
Tel. 1-800-251-1080 or 1-423-629-1405,
fax 1-423-698-8723,
e-mail: alco.chemical@nstarch.com.

Alco Chemical is a leading manufacturer of specialty polymers used in water treatment, detergents, paper and adhesives. Alco Chemical is a unit of National Starch and Chemical Company, a worldwide manufacturer of adhesives, specialty polymers, electronic and engineering materials and natural polymers, with 2005 sales of $3.34 billion. National Starch is headquartered in Bridgewater, N.J., and is a member of the ICI Group. For more information about National Starch and Chemical Company and its products, visit www.nationalstarch.com. You are welcome to visit our on-line newsroom by clicking on the News button.

National Starch and Chemical Company is dedicated to meeting the needs and expectations of customers without compromising its commitment to sustainability. National Starch supports sustainability through its continuous efforts to improve the safety, health and environment of the communities in which it operates. For detailed information on National Starch's sustainability program, visit www.nationalstarch.com.

Editorial Contacts:

Dave Manion
908-685-5395
dave.manion@nstarch.com

Martin Torbert
908-685-5185
martin.torbert@nstarch.com

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