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Defoamers

What is Defoamers?

Paper mill defoamers control entrained air in stock preparation, headbox approach systems, and coating colour—preventing sheet defects, poor drainage, and pump cavitation. Venus Goa supplies silicone-free and silicone-compatible defoamer concentrates based on ethoxylated alcohols, EO/PO copolymers, and ester…

What is Defoamers used for?

Defoaming is critical during repulping of broke and recycled fibre, in thick-stock and machine-chest circuits, and in coating and size-press applications where foam causes coat weight variation and streaking. Fast knockdown and persistent defoaming performance reduce chemical consumption and improve machine… Venus Ethoxyethers manufactures and supplies in India; request a quote for your requirements.

Paper mill defoamers control entrained air in stock preparation, headbox approach systems, and coating colour—preventing sheet defects, poor drainage, and pump cavitation. Venus Goa supplies silicone-free and silicone-compatible defoamer concentrates based on ethoxylated alcohols, EO/PO copolymers, and ester chemistries tuned for pulp, paper, and board grades.

Where defoamers are applied

Defoaming is critical during repulping of broke and recycled fibre, in thick-stock and machine-chest circuits, and in coating and size-press applications where foam causes coat weight variation and streaking. Fast knockdown and persistent defoaming performance reduce chemical consumption and improve machine runnability.

Product selection

Selection depends on furnish type (virgin vs recycled), pH, temperature, and point of addition. Venus grades are designed for low foam carry-over into finished sheet properties and compatibility with retention and drainage programs. Pair with low-foam surfactants where wetting and defoaming must be balanced.

Resources

See the paper chemicals hub and defoamers guide for application notes, or contact Venus for mill trials and dosage recommendations.

PRODUCT NAME APPLICATION
Product 209 Excellent Non silicon defoamer
Product SDS Excellent Non silicon defoamer
Product 21 P - Effective defoamer
- Used in brown stock wasging system, which provides enhanced pulp washing & Improved black liqior recovery.
- Used in black liquors in kraft pulp mills.
- EO/PO Copolymer, Non-ionic surfactant, which acts as an antifoam.
- Used as an antifoam additive in the processiong of pulp.
Product DF 152B Used as a defoamer
Product 5100 - EO/PO Copolymer
- Used as a defoamer
Product 5500 - EO/PO Copolymer capped with alkyl molikule.
- Used as a defoamer
OT 70 PG - Powerful Defoamer for acidic medium
- Paper Industry
- Fertiliser Industry

Related Products & Pages

Related Products

Paper Chemicals
De-inking
Defoamers & Demulsifiers

Related CAS Numbers

DEFOAMERS CAS 9003-11-6
BUTYL POLYALKYLENE GLYCOLPOLYMERS CAS 9003-11-6
LOW FOAM SURFACTANT CAS 9003-11-6
ALKALI STABLE SURFACTANT CAS 9003-11-6
ALKYL CAPPED SURFACTANTS CAS 9003-11-6
METHYL CAPPED SURFACTANT CAS 9003-11-6
END CAPPED LOW FOAMING PRODUCT (CLEANING AGENTS) CAS 9003-11-6
DEFOAMERS & DEMULSIFIERS CAS 9003-11-6
DISPERSING AGENT CAS 9003-11-6
CORROSION INHIBITORS CAS 9003-11-6
CONCRETE ADDITIVES CAS 9003-11-6
METAL COMPLEXING AGENT CAS 9003-11-6
BRIGHTENER ADDITIVE CAS 9003-11-6
LUBRICANT IN SYNTHETIC FLUID CAS 9003-11-6
LUBRICANTS & LUBRICANT ADDITIVES CAS 9003-11-6
REACTIVE MONOMER CAS 9003-11-6

Related Blogs

Paper sizing & tissue guide
Paper deinking guide
Defoamers guide
View all blog articles →

Frequently Asked Questions About Paper Chemicals

Find answers to common questions about our products and services

Defoamers (antifoams) reduce and prevent foam formation by breaking down foam bubbles. They improve process efficiency and product quality. Often based on EO/PO (CAS 9003-11-6).

Venus Ethoxyethers manufactures defoamers in India for paper, textile, wastewater, and industrial applications. We supply EO/PO-based defoamers. Request a quote.

Defoamers are used in various industries including paper manufacturing, wastewater treatment, food processing, oil and gas operations, textile processing, and chemical manufacturing where foam can cause process problems.

The choice depends on your process conditions (pH, temperature), compatibility with other ingredients, and regulatory requirements. Our technical team can help you select the appropriate defoamer based on your specific application needs.

Venus Ethoxyethers manufactures paper chemicals in India: defoamers, deinking agents, sizing chemicals, dispersing agents, tissue paper chemicals, bleaching aids, slimcides, and felt cleaning agents. Request a quote.

Paper manufacturing uses sizing agents, defoamers, deinking chemicals, dispersing agents, and bleaching aids. Venus supplies a full range for pulp and paper production.

Defoamers control foam formation during paper manufacturing, preventing process disruptions, improving machine efficiency, and ensuring consistent paper quality. They help maintain optimal production speeds and reduce downtime caused by foam-related issues.

Sizing agents improve paper's resistance to water and ink penetration. They are applied during papermaking to control absorbency, improve print quality, and enhance paper performance for various applications including printing and packaging.

Deinking chemicals help remove ink and contaminants from recycled paper fibers. They break down ink particles, separate them from fibers, and improve the quality of recycled pulp for producing high-quality recycled paper products.

Slimcides are antimicrobial agents that control slime and microbial growth in paper mill systems. They prevent biofilm formation, reduce equipment fouling, and maintain system cleanliness, ensuring consistent paper quality and production efficiency.

Yes, we offer specialized chemicals for tissue paper manufacturing including softeners, wet strength agents, and processing aids. These chemicals enhance tissue paper properties such as softness, absorbency, and strength for various tissue applications.

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