Adhesion, abrasion resistance, chemical resistance, hardness and bending performance are key coating selection indicators.
Mechanical indicators
- Adhesion on substrate.
- RCA or steel-wool abrasion resistance.
- Bending performance after forming.
Environmental indicators
- Resistance to process chemicals.
- QUV or environmental testing.
- Boiling water or high-humidity resistance.
Process-based selection
No single coating system fits every application. Substrate, application method, curing condition and appearance requirement must be evaluated together.