Results
Solventborne
Solventborne Alkyd
Complete Replacement
Test: ASTM B117
Primer: Solventborne Alkyd Primer
Topcoat: Solventborne Alkyd Gloss Finish
Metal Substrate: Mild Steel Q-panel
Co-blend
Test: ASTM B117
Company: Tier 1 Coating Supplier
Primer: Solventborne Alkyd Primer
Topcoat: No Topcoat
Film Thickness: Left – 115µm, Right - 120µm
Metal Substrate: Mild Steel Q-panel
Solventborne Epoxy
Complete Replacement & Co-blend
Test: ASTM B117
Primer: Solventborne 2K Epoxy Primer
Topcoat: (PU) Polyurethane Topcoat
Metal Substrate: Shot Blasted Steel
Industrial Co-blend
Test: ASTM B117
Company: Tier 1 Industrial Coatings Manufacturer
Primer: Epoxy Primer
Topcoat: No Topcoat
Film Thickness: 200µm
Metal Substrate: Shot Blasted Steel
Complete replacement
Test: ASTM B117
Primer: Solventborne 2K Epoxy Primer
Topcoat: (PU) Polyurethane Topcoat
Film Thickness: Primer layer is 120 µm and the topcoat was applied at approx. 60 µm
Metal Substrate: Shot Blasted Steel
Waterborne
Waterborne Acrylic
Co-blend
Test: ASTM B117
Primer: Waterborne Acrylic Primer
Topcoat: (PU) Polyurethane Topcoat
Metal Substrate: Mild Steel Q-panel
Complete replacement
Test: ASTM B117
Primer: Waterborne Acrylic Primer
Topcoat: No Topcoat
Resin: Dow Maincote HG 100 emulsion used
Film Thickness: 200µm
Metal Substrate: Mild Steel Q-panel
Waterborne Epoxy
Co-blend
Test: ASTM B117
Primer: Waterborne Epoxy Primer
Topcoat: (PU) Polyurethane Topcoat
Film Thickness: Primer layer is 120 µm and the topcoat was applied at approx. 60 µm
Metal Substrate: Shot Blasted Steel
Powder
Complete Replacement
Test: ASTM B117
Primer: Epoxy Primer
Topcoat: No Topcoat
Film Thickness: 40-50µm DFT
Metal Substrate: Mild Steel Q-panel
Complete Replacement
Test: ASTM B117
Primer: Polyester Primid Primer
Topcoat: No Topcoat
Metal Substrate: Mild Steel Q-panel (No Pretreatment)
Graphene
Co-blend
Test: ASTM B117
Primer: Epoxy Polyester Primer
Topcoat: No Topcoat
Metal Substrate: Mild Steel Q-panel
Adhesion
Solventborne Alkyd
Complete Replacement
Test: ASTM B117
Primer: Solventborne Alkyd Primer
Topcoat: Solventborne Alkyd Gloss Finish
Metal Substrate: Mild Steel Q-panel
Solventborne Epoxy
Complete Replacement
Test: ASTM B117
Primer: Solventborne 2K Epoxy Primer
Topcoat: (PU) Polyurethane Topcoat
Metal Substrate: Shot Blasted Steel
Co-blend
Test: Pull off test after 4368 hours of ASTM B117 testing
Company: “Off-the-shelf" Tier 1 2K Epoxy Primer
Primer: Zinc Phosphate Aluminium Rich 2 Pack Epoxy Primer
Topcoat: (PU) Polyurethane Topcoat
Polyurethance Film Thickness: 110µm
Metal Substrate: Mild Steel Q-panel