Another batch of alumina porous ceramics has to be inspected and shipped. Because of the different pore sizes, they have different colors.
The color of different pore sizes of alumina porous ceramics:
Pore size 1-2μm: white
Pore size 5μm: white
Pore size 15μm: white/light brown
Pore size 30μm: light brown
Pore size 40μm: dark brown
Pore size 50μm: blue gray
Pore size 100μm: blue
Inspection Video: