Additive

TEGO® Dispers 691

TEGO® Dispers 691 is a highly efficient polymeric wetting and dispersing additive for solventborne formulations. It gives outstanding wetting and stabilization to both organic and inorganic pigments in solventborne printing inks.
Bottle representation of TEGO® Dispers 691
PNG

Product information

Type

Additive

Sub type

Pigment wetting & dispersing

Markets

Technologies

High solids (solventborne)
Solventborne

Manufacturer

TEGO Dispers Logo

Availability

Key benefits

  • fast color strength development
  • viscosity reduction with organic pigments
  • superior pigment stabilization

Technical data

acid value (as supplied)
Approx 2 mg KOH/g
active matter content
75
amine value (as supplied)
Approx 6
appearance
clear liquid
chemical description
solution of a high molecular weight polymer
solvent
dibasic ester, aromatic-free / methoxypropylacetate 1 : 1
viscosity at 25 °C
Approx 620 mPas

Properties

Viscosity reduction with organic pigments/carbon blacks
5/5
Color intensity/gloss with organic pigments/carbon blacks
5/5
Viscosity reduction with inorganic pigments/fillers
4/5
Color intensity/gloss with inorganic pigments/fillers
4/5

Recommended addition level

As supplied calculated on inorganic pigment: 2.0 - 15.0 %.

As supplied calculated on organic pigment: 5.0 - 30.0 %.

As supplied calculated on carbon black: 20.0 - 50.0 %.

Processing instructions

Add to the grind before dispersion.

Handling & storage

When stored in an original unopened packaging, the product has a shelf life of 48 months from the date of manufacture.