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High-Build Made for 1-Coat Protection

Friday, July 12, 2013

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Sherwin-Williams has introduced a high-build, one-coat polyaspartic urethane designed to accelerate return to service on bridges and other infrastructure projects.

Envirolastic 980 PA is a 65 percent solids, spray-applied, aliphatic polyaspartic polyurea that can be applied as an aliphatic abrasion-resistant topcoat for polyurea and epoxy or alone over properly prepared concrete, steel, or wood.

The high-build formulation eliminates the need for a two-coat application over a zinc-rich primer, the company says.

Envirolastic 980 PA

Envirolastic 980 PA, a new one-coat polyaspartic urethane from Sherwin-Williams, dries to touch in a half hour and allows a return to service in two hours.

"The protective coatings industry is always challenged to keep not only its own deadlines on steel bridge and other civil infrastructure projects, but also to assure that the entire chain meets or exceeds finish product expectations," said Dee McNeill, of Sherwin-Williams Protective & Marine Coatings.

Features and Applications

Envirolastic 980 PA offers abrasion and corrosion resistance and high-gloss retention. Up to nine mils dry film thickness is possible in one pass, the company says.

The product can cure in low or humid temperatures and dries to touch in 30 minutes. When applied at 77°F, the substrate can be returned to service in two hours.

Applications include bridge coatings, industrial equipment, rail cars, and processing area floors and walls. The coating is also suitable for use on sports facilities and other structures, according to Sherwin-Williams.

More information:

Editor's Note: This story was revised at 1:30 p.m. ET July 15, 2013, to reflect that the formulation is 65 percent solids, not 100 percent.


Tagged categories: Abrasion resistance; Concrete; Corrosion protection; Polyaspartic; Sherwin-Williams; Steel; Topcoats; Urethane

Comment from David Zuskin, (7/12/2013, 7:08 AM)

"Up to nine mils dry film thickness is possible in one pass, the company says." I wager the possible film thickness is considerably higher than 9?

Comment from Mary Chollet, (7/15/2013, 1:36 PM)

David, our error and our apologies: Envirolastic 980 PA is 65 percent solids and was formulated to achieve optimum performance at 6-9 mils DFT. Envirolastic PA is a 100 percent solids product. The article has been corrected.

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