Pre-production testing:
Raw material incoming -- physical and chemical parameter testing (viscosity test, filterability test, aging test)
In-production testing:
After feeding -- color paste concentration test, viscosity test
After centrifugation -- color paste concentration test, viscosity test
After filtration -- color paste concentration test, viscosity test
Ink product testing:
Viscosity test, tension test, PH test, Abs test, conductivity test
Print test
72 hours continuous printing without broken lines, no clogging, color within standard range
