CFL Tricolor phosphor powder:
 

1. Visible mechanical impurity is not allowed inside the powder;
 

2. No remains through Screen 200 mesh/cm;
 

3.Particle Size:≤6.5±0.5um.
 

4.Relative brightness:≥100%;
 

5.Main peak wavelength of the emitting spectrum:545±2nm;
 

6.Color coordinate: X=0.310±0.02, Y=0.320±0.02.