01Define the target
- Swatch, Pantone/RAL or measured colour data
- Gloss, substrate and lighting conditions
- Tolerance (ΔE) agreed up front
02Lab matching
- Pigment selection for opacity, fastness and cost
- Drawdown and cast plaques in your actual PU system
- Adjusting for foam density and skin vs. core colour
03Plant trial
- Dosing levels and machine settings
- Checking shade across block length or shot-to-shot
- Approving a master standard
04Repeatable batches
- Controlling grind, tinting strength and viscosity
- Retaining standards for repeat orders
- Troubleshooting shade drift