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AFCONA 2040 is a moderate defoamer with minimal side effects that prevents the formation of foam and blisters during manufacturing and application. It offers a combination of good defoaming and compatibility with most resin systems. It is recommended for medium-viscosity applications applied by spray and brush, and is particularly suitable for systems ranging from low polarity to high polarity. AFCONA 2035 is recommended for brush and conventional spray applications.

Chemical Family: Silicones

Functions: Defoamer

End Uses: 2K (2 component) Coating, Lacquers, Solventborne Coating, Solventless & High Solids Coating

Compatible Polymers & Resins: Acrylics, Alkyds (Long Oil), Alkyds (Medium Oil), Epoxies (EP), Nitrocellulose, Polyurethanes (PU)

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

CASE Ingredients Features
Product Comparision

AFCONA-2025, AFCONA-2035 and AFCONA 2040 have similar chemical structures with different modifications. However, their performance is very different in some systems. We recommend customers try all three products to select the most suitable defoamer for their system.

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Cure Method
Incorporation
To prevent foaming, AFCONA-2040 may be added prior to processing. If added subsequently, good dispersion must be ensured.
Addition and Dosage
0.1 - 0.7% on total formulation. Under normal conditions, 0.2 - 0.5% based on total formulation is sufficient.

Properties

Physical Form
Appearance
Clear transparent liquid
Specifications
ValueUnitsTest Method / Conditions
Density (at 20°C)0.80 - 0.82g/cm³—
Refractive Index1.410 - 1.420——
Flash Point49.0°C—

Packaging & Availability

Country Availability
Regional Availability
  • Canada
  • USA
Packaging Information
44 lb and 330 lb non-returnable containers

Storage & Handling

Storage Information
AFCONA-2040 should be stored in a cool, dry place. When stored in its original, unopened container, it will keep up to 5 years from the date of manufacture. The expiration date is indicated on the container