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Henkel Offers Terostat 285 Sealant Based on Butyl Rubber for Sealing of Ventilation Systems

Published on 2011-04-21. Author : SpecialChem

Poor sealing of ventilation systems in buildings results in rising energy costs and the formation of mold. Air ducts are often constructed using pre-manufactured rubber compression gaskets to seal the transitions between the individual elements. Over time, however, these gaskets lose their elasticity and become brittle. As they shrink, their sealing effect decreases, leaving cavities in which mold can form.

Henkel now offers a significantly more durable alternative with its Terostat 285 sealant based on butyl rubber. Thanks to its completely new formulation, the sealant has built-in protection against damaging mold attack, which substantially reduces the need for later maintenance. In addition, the plastic butyl sealant has a self-welding capability, which allows it to fill cavities and compensate for tolerances, whereas classic rubber gaskets relax over time and lose their insulating properties. Irrespective of the design involved, Terostat 285 can be applied directly to the construction element - either extruded hot or as a pre-cut profile. The one-component sealant is highly tacky, has a high initial bond strength and is suitable for sealing nearly all metal and plastic materials.

About Henkel

Henkel operates worldwide with leading brands and technologies in three business areas: Laundry & Home Care, Cosmetics/Toiletries and Adhesive Technologies. Founded in 1876, Henkel holds globally leading market positions both in the consumer and industrial businesses with well-known brands such as Persil, Schwarzkopf and Loctite. Henkel employs about 48,000 people and reported sales of 15,092 million euros and adjusted operating profit of 1,862 million euros in fiscal 2010. Henkel's preferred shares are listed in the German stock index DAX and the company ranks among the Fortune Global 500.

Source: Henkel

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