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NSF-Approved Coatings suit potable water applications.

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June 15, 2006 - Macropoxy« 646 NSF Fast Cure Epoxy and Macropoxy« 846 NSF Winter Grade Epoxy are polyamide coatings formulated to meet toxicological and extraction test requirements of ANSI/NSF Standard 61. Macropoxy« 646 is suited for steel and concrete structures, while Macropoxy« 846 can be applied at temperatures as low as 35░F. Both are high solids and VOC-compliant. They can be brushed, rolled, or spray applied and are suited for use in water and wastewater treatment industries.

Sherwin-Williams NSF-Approved Macropoxy® Coatings Excellent For Steel And Concrete Substrates


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Sherwin-Williams Co. c/o Ultimate Lead Systems
P.O Box 739
Berea, OH, 44017
USA



Press release date: June 5, 2006

Sherwin-Williams offers broad line of NSF-approved coatings for potable water applications

(SAN ANTONIO - June 11-15, 2006) - Two NSF-approved coatings from Sherwin-Williams Industrial & Marine Coatings group - Macropoxy« 646 NSF Fast Cure Epoxy and Macropoxy« 846 NSF Winter Grade Epoxy - are part of a growing list of products from Sherwin-Williams formulated to meet the toxicological and extraction test requirements of ANSI/NSF Standard 61.

Macropoxy« 646 NSF Fast Cure Epoxy is a fast-drying polyamide epoxy for steel and concrete structures, while Macropoxy« 846 NSF Winter Grade Epoxy is a fast-drying polyamide epoxy that can be applied at temperatures as low as 35║F. Both coatings are high solids and VOC compliant.

Macropoxy 646 NSF is formulated to meet exacting specifications. Created with low molecular weight polymers and co-reactants, the coating is able to form a dense, chemical and corrosion resistant finish.

Its high crosslink density ensures superior protection, even at sharp edges, corners and welds. The coating has exceptional wetting properties for strong adhesion and rapid penetration into rusted crevices.

At 77░F and 50% relative humidity, the coating dries to the touch in two hours and can be recoated in only eight hours when applied at the specified 7 mils wet film thickness.

Macropoxy 846 NSF has a very similar chemistry and exhibits many of the same application and performance characteristics as Macropoxy 646 NSF. The main difference is the ability to apply at lower temperatures and quicker dry times. At the specified 7 mils wet film thickness, Macropoxy 646 NSF dries to the touch in four to five hours at 40░F, 50% relative humidity. At the specified 6 mils wet film thickness, Macropoxy 846 NSF dries to the touch in just one hour at 40░F, 50% relative humidity.

In addition to faster drying times, the two new Macropoxy coatings offer a number of application benefits. The coatings can be brushed, rolled, or spray applied and exhibit good flow and leveling characteristics. They are ideal for use in the water and wastewater treatment industries or for other facilities with complex infrastructures and aggressively corrosive environments.

Sherwin-Williams NSF-approved coatings also include Tank Clad HS, High Solids Catalyzed Epoxy, Copoxy Shop Primer, Dura-Plate 235« NSF and Dura-Plate« UHS. All the coatings are NSF-approved for use in potable water storage tanks 1,000 gallons and larger.

Sherwin-Williams Industrial and Marine Coatings group serves North America with a broad line of high-performance coatings, comprehensive technical service, and the industry's largest distribution network. Relying on more than 140 years of experience in formulating industrial coatings, the group provides cost-effective solutions for applications where extreme corrosion, abrasion and chemical attack are present. Visit Sherwin-Williams on the Internet at www.sherwin-williams.com/im.

Direct Inquiries to: Macropoxy 646 and 846, The Sherwin-Williams Company, c/o Ultimate Lead Systems, P. O. Box 739, Berea, Ohio 44017; 1-800-524-5979.

Reader questions: 1-800-524-5979.
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User comments about this story

Sherman Williams paint in potable water tanks

We are using your epoxy coating in potable water tanks and it has a very high odor. When tanks are back in service there are complaints of the water tasting and having a bad odor. Any recommendations?

By Ron Peters on Aug 26, 2011 12:43

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