Abstract
Powder coatings based on Kynar PVDF for longer lasting exterior building designs. The Dutch company Sigma Coatings B.V., manufacturers of protective architectural coatings for buildings, has developed a new powder coating system for aluminium profiles and cladding. It is based on Pennwalt's Kynar PVDF (polyvinylidene fluoride) already known for its use in long lasting exterior finishes. These fluoropolymer based paints have, until now, been applied as a wet spray. Sigma has now made it possible to apply PVDF as a powder coating and claim to be the first to bring it to the commercial market.
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