GREAT LAKES INTRODUCES LATEST ADDITIONS TO LIGHT STABILIZERS

DÜSSELDORF, GERMANY — Great Lakes Chemical Corporation (NYSE:GLK) today announced the introduction of three new products to its comprehensive range of Polymer Stabilizers with Lowilite® 36 and Lowilite® 234 UV absorbers and Lowilite® 19 light stabilizer. These latest additions complete the company’s UV stabilizer range that complements their uniquely broad antioxidants portfolio.

Lowilite 36 is a high molecular weight, benzotriazole UV absorber that offers excellent thermal properties and is particularly suited to applications requiring low volatility and high stabilizer loading. It is an excellent choice as light stabilizer for high temperature polymers like polycarbonate. The high molecular weight and the resulting low migration combined with good compatibility in the target polymers make Lowilite 36 helpful in preventing ‘plate out’ that is caused by additives collecting on parts of the processing unit.

Lowilite 234 is a benzotriazole UV light absorber offering the advantage of particularly low volatility. This feature makes it especially suitable for applications involving high temperature processing such as automotive coatings, polyethyleneterephthalate, polycarbonate, and nylon, where additives may sometimes be lost due to high temperature levels.

Lowilite 19 is a monomeric, high molecular weight, sterically hindered amine light stabilizer (HALS) that is ideally suited to pigmented polyolefin applications due to its low interaction with the pigments. With a high molecular weight structure, it is also suitable for applications requiring low volatility and high migration resistance. Lowilite 19 is also an effective antioxidant and contributes significantly to the long term heat stability of polyolefins.

Through its Polymer Additives division, Great Lakes offers a full line of UV stabilizers, antioxidants, nucleating agents and clarifiers, additive blends, and optical monomers, as well as a leading line of flame retardants that include bromine-, phosphorus-, and antimony-based flame retardants and other synergists. For more information about these product lines, please visit the Great Lakes Polymer Additives web site at www.pa.greatlakes.com

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