Rheology profile of a UV white pigment concentrate with 75% Sachtleben® RDI-S

Efka® FA 4611 shows excellent rheology in white UV pigment concentrate

Without dispersant -thick paste, no flow at all

With 3% of Efka® FA 4611 - excellent flow behavior

1

Gloss of UV white ink (direct grind) with 50% Sachtleben® RDI-S

Efka® FA 4611 shows comparable gloss level as Comp. 1

50

55

60

65

70

75

80

85

90

95

2%Comp.1 3%Comp.1 2%EfkaFA4611 3%EfkaFA4611

60° 85°

gloss

2