Product Review from Environmental Building News
June 1, 2008

Whey-Based Floor and Furniture Finishes

Whey protein is a natural byproduct of the cheese industry, and now a Vermont company is using this renewable resource to replace petroleum-based ingredients in its coatings. Vermont Natural Coatings makes nationally distributed PolyWhey water-based floor and furniture finishes. Although milk paint has a long tradition of durability (see EBN Vol. 8, No. 2), the use of whey as a polymer in wood coatings is more recent, a result of research that began in 2001 at the University of Vermont’s Department of Nutrition and Food Sciences. The result is a product with low emissions—the finishes have volatile organic compound (VOC) levels of 180 grams per liter, below the California Air Resource Board’s limit of 250 grams per liter.


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