Powder coaters have a wide variety of types of powder coating powders to use. The characteristics of the different types of powder vary widely, as well.
USE THESE CHARTS TO DETERMINE THE WHAT KIND OF POWDER COATING IS RIGHT FOR YOUR SPECIFIC APPLICATION.
Check this chart and the one below from Rhinehart Finishing to see how your choice of powder performs relative to flexibility, adhesion, durability, corrosion resistance, impact resistance, VOCs, chemical and heat resistance, and cost.
POWDER CHARACTERISTICS CHART
|
Types of Powder Coating Powders
|
Powder Formulation
Characteristics |
Standard Polyester
|
Enhanced Polyester
|
Epoxy
|
Hybrid
|
Polyurethane
|
Acrylic
|
PVDF
|
Exterior Durability |
Good |
Excellent |
Very Poor |
Poor |
Good |
Excellent |
Excellent |
Corrosion Resistance |
Good |
Good |
Excellent |
Good |
Good |
Good |
Good |
Impact |
Excellent |
Poor |
Excellent |
Excellent |
Good |
Poor |
Excellent |
Flexibility |
Excellent |
Good |
Excellent |
Excellent |
Good |
Good |
Excellent |
Adhesion |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
Poor |
Cost |
Medium |
Medium / High |
Medium |
Low |
Medium |
High |
High |
Film Appearance @ 50µ |
Good |
Very Good |
Good |
Good |
Excellent |
Good |
Poor |
Volatile Emissions |
Very Low |
Very Low |
Very Low |
Very Low |
Low |
Very Low |
Very Low |
Low Bake |
Yes |
No |
Yes |
Yes |
No |
Yes |
No |
Chemical Resistance |
Good |
Good |
Excellent |
Very Good |
Good |
Very Good |
Good |
Gloss Range |
10-95% |
20-95% |
5-90% |
5-90% |
5-95% |
30-90% |
30-60% |
Heat Resistance |
Very Good |
Good |
Poor |
Good |
Very Good |
Good |
Good |
Abrasion |
Good |
Good |
Very Good |
Good |
Good |
Good |
Poor |
Compatibility |
Good |
Good |
Good |
Good |
Good |
Very Poor |
Very Poor |
|