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ASTM International is seeking the input of coating manufacturers, architects, engineers, facility owners and end users as it develops the first standard for determining the dry-fall properties of protective coatings.
ASTM WK34014, Practice for Determining the Dry Fall (Fog) Properties of Protective Coatings, is being developed by Subcommittee D01.46 on Industrial Protective Coatings, which is part of ASTM’s Committee D01 on Paint and Related Coatings, Materials and Applications.
Avoiding Property Damage
“Dry-fall coatings are manufactured and sold by a number of coating manufacturers, and their inherent dry-fall properties are critical in avoiding damage to property adjacent to and below spraying operations,” says D01 member Bill Corbett, professional services business unit manager for KTA-Tator Inc.
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Tnemec |
| A dry-fall coating system from Tnemec protects the grain leg and conveyor steel at the ADM facility in Cedar Rapids, IA. |
“Yet there is no known standardized procedure to evaluate whether these coatings possess dry-fall properties on surfaces of varying temperature.”
Overspray particles that attach to vehicles and other unintended surfaces can result in property damage and insurance claims. Dry-fall coatings are formulated so that the overspray particles dry as they move through the air, before they land on horizontal surfaces. The particles can then be brushed or vacuumed off without damaging the surface.
Focus on Coating Properties
“Once it has been approved, this proposed practice will be used to evaluate the dry-fall properties of coatings prior to large-scale use,” says Corbett. “It will also be used to evaluate whether the coatings possess the same dry-fall properties when the fallout collects on surfaces with an elevated temperature.”
ASTM International is one of the largest international standards development and delivery systems in the world. ASTM standards are used in research and development, product testing, quality systems and commercial transactions.
ASTM coating standards can be purchased here.
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