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At a glance

Defoamers & demulsifiers

Foam control and oil–water split

Ionic type
Nonionic
Typical HLB
Low (antifoam) to tailored EO/PO
Foam
Foam killing
Key industries
Oil & gas, Paper, Paint

Biodegradability: Silicone vs EO/PO vs resin ethoxylate stories differ — specify the chemistry before an eco-label claim.

Request a sample TDS / SDS / COA

Defoamers & Demulsifiers

Defoamers & demulsifiers technical guide

Ethoxylated phenol-formaldehyde resins, T-Det EPO-Series, and Venamine polyamine alkoxylates are the published grades. Foam control vs crude dewatering is in the oilfield defoamers guide. Emulsion-break mechanism: demulsifiers guide.

Related CAS Numbers

PO CAS 75-56-9 Butylene Oxide CAS 106-88-7 CAS 9003-11-6 Fatty Acid Methyl Esters CAS 67784-80-9
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Learn the chemistry

Technical guides for this product family

Primers matched to this chemistry family. Start here, then open a TDS.

Primer

What Are Defoamers?

Antifoam vs demulsifier vs low-foam surfactant.

Read guide Primer

What Are Demulsifiers?

Emulsion breakers for crude dehydration and produced water.

Read guide Guide

Demulsifiers Guide

Crude dehydration chemistry in depth.

Read guide Guide

Oilfield Defoamers & Demulsifiers

Resin / EPO / polyamine packages.

Read guide

Related Technical Guides

EOR, flowback, foam, soap sticks, cement, corrosion, H2S, lubricity, invert emulsifiers, and demulsifiers

What Are Demulsifiers? Read guide →
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What Are Corrosion Inhibitors? Read guide →
What Are Defoamers? Read guide →
What Are Lubricity Aids? Read guide →
What Are Scale Inhibitors? Read guide →
FAQ

Frequently Asked Questions - Defoamers & Demulsifiers

Find answers to common questions about defoamers and demulsifiers

Defoamers are additives that prevent or reduce foam formation, while demulsifiers are chemicals that break down emulsions, separating oil and water phases. Both are essential in various industrial processes where foam or emulsions can cause operational issues.
We offer silicone-based defoamers, oil-based defoamers, water-based defoamers, and specialty demulsifiers for various applications. Our products are used in paper manufacturing, oil & gas, textile processing, and industrial applications.
Defoamers are used in paper processing, textile processing, wastewater treatment, and industrial cleaning. Demulsifiers are used in oil & gas production, wastewater treatment, and emulsion breaking applications.
Benefits include preventing foam overflow, improving process efficiency, reducing equipment downtime, enhancing product quality, and enabling proper phase separation in emulsions. They help maintain optimal process conditions and prevent operational issues.
Next step

Need a sample or formulation support?

Talk to Esteem Industries formulators about grade selection, HLB matching, custom ethoxylation, and application trials. Request a sample or technical discussion for your next project.

Request a sample Browse technical blog TDS / SDS / COA