Additive

TEGO® Foamex 840

TEGO® Foamex 840 is an effective defoamer concentrate based on polyether siloxane technology. Contains no fumed silica. Provides good long-term effectiveness and additional deaeration effect.
Bottle representation of TEGO® Foamex 840
PNG

Product information

Effects

Foam Control
Defoaming
Let-Down
Foam Control
Defoaming
Millbase
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Type

Additive

Sub type

Defoamer & deaerator

Sustainability

Next generation solution

Contains no biocide

Life Cycle Assessment available

Markets

Technologies

Radiation curing systems
Waterborne

Manufacturer

TEGO Foamex Logo

Availability

Key benefits

  • suitable for pigmented formulations
  • universally used in waterborne, solventborne and solvent-free formulations
  • recommended for addition to the grinding and let-down stage

Technical data

active matter content
100 %
appearance
clear liquid
chemical description
polyether siloxane copolymer, contains no fumed silica
solvent
solvent-free

Properties

Brush application/roller application
4/5
Airless spraying
3/5
Compressed air spraying
3/5
Flexo/gravure printing
5/5
Dip coating, flow coating, curtain coating
1/5
Flooring
4/5

Recommended addition level

As supplied calculated on total formulation: 0.1 - 1.0 %.

Processing instructions

Long term effectiveness of the product is dependent on the formulation and should be tested in individual formulations.

The product needs to be incorporated with high shear forces.

Addition to the coating as supplied or as a predilution is possible.

Handling & storage

When stored in an original unopened packaging, the product has a shelf life of 60 months from the date of manufacture.