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Central Powder Coating, Inc. (714) 672-9571 - A full service, custom, powder coat job shop with multiple powder finishing facilities each dedicated to excellence and efficiency for all types of products.Custom Powder Coating Service in Southern California
January 2001 - ASTM B117 Salt Fog Testing Method. Cold rolled steel (CRS) panels were scribed to expose the underlying metal and placed in a certified salt spray cabinet for 1,000 straight hours (approx. 42 days.) Failure is determined by corrosion undercutting 1/8" from the scribe area or any visible blistering or delaminating of the finish anywhere on the test panel.

Custom Powder Coating Service in Southern California Custom Powder Coating Service in Southern California Custom Powder Coating Service in Southern California
Test Panel "A" Test Panel "B" Test Panel "C"

Test Panel "A" - This panel was pre-treated in our batch system with Fremont 626 cleaner phosphate heated to 140 degrees Fahrenheit and rinsed with De-ionized water. It was dried in our oven and coated with DuPont's Almond TGIC Polyester #PFT-500-S8 Top Coat.

Test Panel "B" - This panel was pre-treated in our batch system with Fremont 626 cleaner phosphate heated to 140 degrees Fahrenheit and rinsed with De-ionized water. It was dried in our oven, coated with Morton's Zinc-Rich Epoxy Primer and then coated with Spraylat's RAL Hybrid High Gloss Structure #PRHS86221 Top Coat.

Test Panel "C" - This panel was sand-blasted, pre-treated in our batch system with Fremont 626 cleaner phosphate heated to 140 degrees Fahrenheit and rinsed with De-ionized water. It was dried in our oven, coated with Morton's Zinc-Rich Epoxy Primer and then coated with DuPont's Almond TGIC Polyester #PFT-500-S8 Top Coat.

Conclusion - All three test panels passed the Salt Spray Test, but look a the difference! Sand-blast, Zinc-Rich Primer and Top Coat clearly offers the most corrosion resistance.

  Central Powder Coating, Inc. - 593 Explorer St., Brea, CA  
Custom Powder Coating Service in Southern California Custom Powder Coating Service in Southern California