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New Versions of Tnemec Fluoropolymer Technology Offer Low VOCs, Long-Term Color and Gloss Retention

Published on 2010-06-25. Author : SpecialChem

Tnemec Company Inc., has introduced ultra-low volatile organic compound (VOC) versions of its fluoropolymer coating technology, according to Mark Thomas, vice-president, marketing. "This line of products enables the use of fluoropolymer in areas of the country where environmental regulations require low-VOC coating systems," Thomas observed. "With less than 100 grams VOC per liter, these coatings offer better color and gloss retention than even the best polyurethanes."

Series 1070V Fluoronar with its gloss finish and Series 1071V Fluoronar in a semi-gloss formulation are a complement to Tnemec's existing line of Fluoronar products. "These products are new, lower VOC versions of our popular Fluoronar fluoropolymer topcoats," Thomas said. "They deliver all the color and gloss retention Tnemec customers have come to expect from this ultra-high performance technology."

Fluoronar coatings are a higher-solids product with the ability to achieve adequate and consistent film thicknesses, so they can be can be applied by brush, roll or spray. "Due to the nature of the chemistry, many of the fluoropolymer-based overcoat products on the market are relatively low solids (25 percent to 40 percent by volume)," Thomas noted. "This can present problems for projects requiring partial brush and roller application."

Available in more than 500 colors, the Fluoronar coatings are excellent for high-profile architectural projects because of their ultra-durable finish. Under certain conditions, the coatings may be used to restore aged fluoropolymer coil-applied coatings or for original equipment manufacturer (OEM) applications.

Among the projects that have used low VOC Fluoronar coatings is the 62-story Aon Center High Rise in Los Angeles, California, where the existing coating system on the building was starting to chip and flake. Series 1070V Fluoronar was specified as the finish coat for its exceptional color and gloss retention. "It has the ability to resist the damaging effects of UV light and its fluoropolymer resin is more stable than acrylic or conventional polyurethane resin," coating consultant Dustin Kaatz noted. "And with less than 100 grams per liter of VOCs, the topcoat meets South Coast Air Quality Management District (SCAQMD) regulations in the Los Angeles basin."

"The project required the lower levels and front entrance to be recoated under an extremely tight deadline," Kaatz added. "Racing the clock, we were able to match the half-metallic and half-solid color perfectly and keep the renovation on schedule."

Other high-profile projects that have used low VOC Fluoronar coating systems include the historic Chinatown Gateway in Los Angeles; the colorful North Hollywood Gateway in Los Angeles; a Great America Place office renovation in Santa Clara, Calif.; and the Versailles condominiums in San Mateo, Calif.

Tnemec offers a complete line of high-performance, low-VOC coating systems, including zinc-rich primers, epoxies, urethanes and fluoropolymers for use in those regions of the country where stricter limits on VOCs are being enforced.

Source: Tnemec Company Inc.

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