HOW DO WE CONTROL THE TONES(COLORS)

HOW DO WE CONTROL THE THICKNESS?

HOW DO WE CONTROL THE SIZES?

HOW DO WE CHECK THE SOLVENTS RESISTANCE?

Jincong test standard:

Normal solvents resistance glitter: last 2 hours in butanone(MEK) Complete solvents resistance glitter: last 6 months in butanone (MEK)
Additional test by ethyl acetate, toluene, butyl ester, etc.