Dispersions, Resins and Additives, North America
Defoamer additive

FOAMSTAR® ST 2420

FOAMSTAR ST 2420 represents the latest innovation in hyper branched polymer defoamer technology delivered in an essentially emission-free hydrocarbon matrix. It is amongst the most efficient defoamers requiring up to 50% less dosage to achieve the performance of benchmark mineral oil defoamers.

Product highlights

  • High efficiency-30-50% less dosage
  • Defoamers of choice for Very fast bubble break times
  • Effective against Microfoam
  • Very high persistency

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Material safety datasheet (United States - English)
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Material safety datasheet (Canada - English)
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Material safety datasheet (Mexico - Spanish)
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Country: Mexico Language: Spanish
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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