Greenheck QEI-L - Optional Two-coat Paint System; Zinc Advantage Coating Benefits

99
Zinc Advantage
Optional Two-coat
Paint System
In1972,Greenhecktooktheleadasthefirstcommercialandindustrialfanmanufacturertointroduce
electrostaticpowdercoatings.Today,Greenheckcontinuestoleadbybeingthefirsttoofferasuperiorzinc-rich
powderbasecoatandpowdercoatingfinish.
Thiszinc-richbasecoattechnologyisusedextensivelyoutsidetheHVACindustrytoprotectbridgebeams,
automotivecomponentsandotherheavy-gaugesteelproducts.Now,thisadvancedtechnologyisavailableon
Greenheckweldedsteelproducts.
Greenheck’scoatingprocessstartswithaminimumoffivewashstagestotreatallcomponentspriorto
painting.Cleanerpartsresultinbettercoatingadhesionanddurability.Wethenuseanadvancedtwo-coat
powderapplicationmethodthatincludesabasecoatofzinc-richpowderandatopcoatofGreenheck’s
Permatector™orHi-ProPolyester.Thecombinationofthesetwotopcoatsoverthezinc-richbasecoatresults
inthetwo-coatings,Perma-ZandHi-Pro-Z.Theseoven-curedcoatingsprovidesuperiorcorrosionresistance
alongwithatough,uniformfinishtocombatthemostextremeconditions.
Whencomparedtoatraditionalsinglecoat
application,thebenetsofthetwo-coat
systeminclude:
•Anautomaticpowdercoatapplication
thatproducesuniformcoverageand
unmatchedpaintquality.
•Adoublecoatthicknessthatprovides
superiordurabilityandprotectionfrom
airandwater.
•Azinc-richbasecoatthatincludes
anepoxycomponentthatprovides
additionalcorrosionprotection.
•Azinc-richbasecoatthatprovides
chemicalprotectionofexposedsteel
topreventcorrosion.
Topcoat
2-3mils
BaseSteel
Standard
SurfacePreparation
4-6milsTotal
Zinc-richPrimer
(70%zinc)
Topcoat
BaseSteel
Advanced
SurfacePreparation
Theprotectionofferedbythezinc-richbasecoatsin
Perma-ZandHi-Pro-Zresultinextraordinarycorrosion
resistance.Testdatademonstratesourtwo-coatpaint
systemoffersthree(Perma-Z)andfour(Hi-Pro-Z)times
thecorrosionresistanceofothercoatingscommonly
availablewithinthefanindustry.Seetableforsaltspray
lifeforvariouscoatings.
CoatingfanswithPerma-ZorHi-Pro-Zhasreducedour
customersannualpaintmaintenancecostsbythreeto
fourtimes!
Formoreinformation,seeGreenheck’sCoatingsfor
ExtremeApplicationscatalog,availableonlineat
www.greenheck.com
One Coat Process
Two-coat Process
SaltSprayASTMB117
Hours 1000 2000 3000 4000
Permatector™
Hi-Pro Poly
Perma-Z
Hi-Pro-Z
Baked Phenolic
Epoxy Phenolic
Fluorocarbon
SaltSprayASTMB117isacomparativetest
thatindicatesthecorrosionresistanceof
powderpaintcoatings.