Native oil based defoamer for monomer stripping in latex manufacturing and emulsion polymerization; specifically designed to have broadest food contact compliance.

FOAMASTER® NO 2331 is an extraordinary process defoamer based on renewable, natural oil with broad global food contact compliance. It demonstrates excellent defoaming properties in emulsion polymerization as well as in adhesives and functional coatings applications. FOAMASTER® NO 2331 also provides significant long-term stability in its applications.

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.

We, BASF Corporation, would like to use your contact information (name and business email address) to provide you with electronic communication about BASF products or services. If you would like more information about the nature of the communications you would receive, please feel free to contact us at +1 800-527-9889 or
You can withdraw your consent with prospective effect at any time by clicking the appropriate opt-out link in any marketing electronic communication or contacting us at The withdrawal of your consent does not affect the lawfulness of the data processing based on this consent prior to its withdrawal. Please see the Privacy Policy for additional options and information, including details on how we collect, use, and disclose your personal information.

BASF Corporation
100 Park Avenue
Florham Park, New Jersey
Attn: Data Protection Officer
Telephone: 800-831-2191