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System Three WR-155 is a high build waterborne two-part epoxy primer specifically formulated as a sandable base for System Three topcoats. WR-155 contains corrosion inhibitors and is opaque and lead-free. WR155 is non-flammable and contains no hazardous air pollutant solvents (HAPS) or heavy metals. It is low VOC and cleans up with water.
WR-155 Primer may be used over polyester or epoxy resin surfaces, and properly prepared wood and metal surfaces. Use the primer to provide a smooth, uniform surface for the System Three polyurethane WR-LPU Topcoat. It can also be used to help poor hiding topcoats look uniform and opaque. This product is available in a grey color only in quarts and gallons.
$39.72
$90.44
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Technical Specs
Total Solids by Weight: 55 Percent
Mixed Viscosity: 200cps
Coverage: 350 square Ft/Gal
Tack Free at 77 degrees F: 4 hours
Recoat Time at 77 degrees F: 12-24 hours
Full Cure Time at 77 degrees F: 7 days
BRAND:
System Three
Material:
Epoxy
Number Of Parts:
Two Part
Type:
Topside Paint Primer
Questions & Answers about System Three WR-155 Epoxy Primer:
2013-04-18CHARLY CHARLY asked: Does it matter how long the primer is left on before the topcoat goes on?
I ask because I am anxious to go ahead and get my epoxy coated, plywood boat shielded from the sunlights UV. Some parts of the boat are already going on three years old.
+Expand Answers
2013-04-27KURT LYONS: I don't think it matters how long before you topcoat it. I would lightly sand it then thoroughly clean the surface shortly before you put on your final finish.
2013-04-27PAUL NELSON: WR-155 Primer will get harder as it fully cures. There is a window of time, within a few days after spraying, when it will be easier to sand before it is fully cured. The only downside to priming early and waiting before you topcoat would be missing this window of easier sanding.
One other option is to put on one or two coats of primer and then wait until you're ready to topcoat for the final layer of primer. These primers are thin and do not hide flaws so it's normal to use more than one coat. Just be sure to sand and clean before your final coats in either case.
Do a Google search for "System Three Application Guide" for more info.
2012-12-12BILL FAIRWEATHER asked: Can latex paint be sprayed over this, with no problems?
+Expand Answers
2012-12-12Nathan Fournier: I don't see any issues, but I HIGHLY RECOMMEND using the proper System Three two-part water based linear polyurethane paint WR-LPU; "STR-156004", which comes in several different colors, and will ensure the appropriate bond, thank you.
Nathan
JD Store
(401)253-2986 ex130
store@jamestowndistributors.com
Using water borne wood finish products for furniture on a regular basis, this was the first water borne epoxy primer I have used. It was easy to mix and apply but be aware, the pot life is greatly limited by temp/humidity. Plan on discarding the first applicators and if applying in 80 degree F weather, use a 2-3 hr max pot life. Also, the coverage was greater than expected as it refers to recommended film tickness. The gallon can provides 2 coats of rolled on coverage for the square footage cited.
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Special order items are not stocked and are ordered direct from the manufacturer. They are non-returnable, may take 2-4 weeks, price and shipping charges subject to change.
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