FOAMSTAR® ST 2446

FOAMSTAR ST 2446 is based on a patented hyper-branched Star polymer compounded with high-end organo-silicone polymers. It is one of our best defoamers for zero to 50 g/l VOC, medium to low PVC premium paints. FOAMSTAR ST 2446 is a product of choice when other defoamers do not work. It allows for very good film appearance properties despite its very high efficiency.

Product highlights

  • 30-50% less dosage; very fast bubble break
  • Excellent for zero to 50 g/l premium paints
  • Good dispersibility
  • Excellent film appearance
  • Works in highly tinted paints and against Microfoam
  • High persistency and works in high gloss paints

Downloading file...

Suggested applications:

Product downloads

BASF strives to fulfill sample requests in the safest and most efficient way possible. Once you complete the form below someone from our team will contact you regarding the status of your request.

Located outside of North America? Visit our global website here.


Notice Under California Consumer Privacy Act (“CCPA”)
Please be aware that by registering with BASF to learn more about products and services, making purchases, or initiating other business transactions with BASF, BASF will be collecting certain personal information about you and your internet activity for specific business purposes. For a description of the information collected about you and the business purposes for which that information is used, please click here: Table III Data Collection Purpose. For further information about BASF’s overall data privacy practices, please review BASF’s Privacy Policy, which may be accessed here: https://www.basf.com/us/en/legal/data-protection.html

How can we help?

Have a question about our products or services? Please complete the form below and one of our experts will contact you shortly.

Located outside of North America? Visit our global website here.


Notice Under California Consumer Privacy Act (“CCPA”)
Please be aware that by registering with BASF to learn more about products and services, making purchases, or initiating other business transactions with BASF, BASF will be collecting certain personal information about you and your internet activity for specific business purposes. For a description of the information collected about you and the business purposes for which that information is used, please click here: Table III Data Collection Purpose. For further information about BASF’s overall data privacy practices, please review BASF’s Privacy Policy, which may be accessed here: https://www.basf.com/us/en/legal/data-protection.html