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AFCONA 2045 is a silicone-based defoamer used to prevent the formation of foam and blisters during manufacturing and application of solvent-based coatings, including polyurethane clear coats. It is effective even in difficult situations such as airless spray, brush, and roller application, and has strong defoaming properties with a very good transparent appearance.

Chemical Family: Silicones

Functions: Defoamer

End Uses: 2K (2 component) Coating, Clearcoat, Lacquers, Solventborne Coating

Compatible Polymers & Resins: Epoxies (EP), Nitrocellulose, Polyurethanes (PU)

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

CASE Ingredients Features
Product Comparision
Compared to defoamers such as AFCONA-2025, AFCONA-2035, and AFCONA-2040, this product gives better defoaming properties and better compatibility, especially in polyurethane clear coat systems.

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Product Uses

Due to the excellent combination of defoaming and compatibility, the recommended applications for AFCONA-2045 are:

  1. polyurethane systems for wood, plastic and car refinish
  2. airless spray coatings
  3. NC lacquer and acid-cured systems for wood and general industrial
  4. heat-cured coatings for general industrial
  5. solvent-based epoxy systems
Incorporation
To prevent foaming, AFCONA-2045 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
Slightly yellowish to transparent liquid
Specifications
ValueUnitsTest Method / Conditions
Density (at 20°C)0.86 - 0.88g/cm³—
Refractive Index1.440 - 1.450——
Flash Point27.0°C—

Packaging & Availability

Country Availability
Regional Availability
  • Canada
  • USA
Packaging Information
55 lb and 375 lb non-returnable containers

Storage & Handling

Storage Information
AFCONA-2045 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.