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Afcona 2721

CASE Ingredients Features
Good Compatibility

Afcona 2721 is a specialized defoamer tailored for UV coatings. Its carrier, an acrylate monomer, participates in system cross-linking, offering effective de-aeration and defoaming properties. Combining silicone and non-silicone components, Afcona-2721 provides optimal foam control without causing excessive haziness in the system. It boasts excellent compatibility, ensuring seamless integration into coating formulations for superior performance.

Properties

Physical Form
Liquid

Identification

CASE Ingredients Functions
Defoamer

Product families

CASE Ingredients — Additives
  • Foam Control

Other characteristics

Brand
Afcona
End Uses

Epoxy Bisphenol Coating , Primer, Radiation Curable Coating, Solventborne Coating

Functions
Defoamer
Carrier
  • 2-Ethylhexyl Acrylate
  • Diisobutyl Ketone (DIBK)
  • Solvent-based
Appearance
Clear To Slight Yellowish Liquid
Shelf LIfe
2 years
Cure
Radiation Cure
Coating Type
  • Epoxy Bisphenol Coating
  • Primer
  • Radiation Curable Coating
  • Solventborne Coating
Technology
CASE Ingredients
Incorporation

AFCONA-2721 can be incorporated by simple mixing. A homogeneous mix will increase the efficiency.

Storage Condition

AFCONA-2721 should be stored in a cool dry place. When kept in an original unopened container, it will keep up to 2 years from the date of manufacture. The expiry date is indicated on the container

Product Properties

AFCONA – 2721 is a defoamer with reasonable good defoaming effect and good compatibility. This product is tailor made for UV coatings as the solvent used is an active solvent that can react into the system. AFCONA-2721 can be used in pigmented or non-pigmented resin systems such as: 1) UV-cure 2) EBC

Addition and Dosage

0.1 -1.0% on total formulation. In general under normal conditions, the dosage is 0.2 – 0.5% based on total formulation.

Chemical Composition
Silicone based defoamer
Packaging Information
25 kg and 170 kg non-returnable containers

Technical data

Table 1 of 1

3 rows
CharacteristicValueUnit
Denisty (at 20°C)0.86 - 0.88g/cm³
Refractive Index1.425 - 1.435—
Flash Point46.0°C

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