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Phosphate-Free Conversion Coatings

Hubbard-Hall’s Emerald Paint-Prep line of low temperature and phosphate free conversion coatings offer a cost effective alternative to iron phosphate. Formulated to replace traditional iron phosphates, these coatings can reduce energy usage and environmental concerns, while increasing corrosion protection.

These are our featured Zirconium products. To see our full list of 25 products, click here.

Conversion Coatings: Zirconium
Features Emerald Paint-Prep 380 NP Emerald Paint-Prep 389 NP Emerald Paint-Prep 390 LT
pH <3 <5 <3
Recommended Operating Temperature Ambient 80-110° Ambient
Concentration 2-4% 1-5% 2-4%
Soak Time 15-60 sec. NA 15-30 sec.
Phosphate-Free x x
Water-Soluble x x x
Spray Wand Application x

 

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