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Anti-fouling Agents

Based on 28 products - Last update on the Jun 26, 2025

Anti-fouling agents appear as fine powders or liquid dispersions and integrate seamlessly into coating matrices. By disrupting bio-adhesion mechanisms, they help maintain hydrodynamic efficiency and reduce maintenance costs for ships, offshore structures, and water-exposed infrastructure. Key benefits include extended service life, reduced drag for improved fuel efficiency, and protection against microbial-induced material degradation. 

Regulations like the IMO’s ban on tributyltin (TBT) have accelerated innovation in biocide-free and low-copper formulations. Subtypes include self-polishing copolymer (SPC) coatings and silicone-based coatings.

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Zinc Omadine® Powder

by Arxada

Zinc Omadine® Powder by Arxada acts as a biocidal and antifouling product. It is a zinc pyrithione-based antimicrobial product. It inhibits the growth of fungi, including yeast and mold. <br> <ul style="padding-left: 40px;"><li> It also inhibits the growth of both gram-negative and gram-positive bacteria and algae. </li> <li>It is used in architectural coating applications and marine antifoulant coating applications. </li> <li>It is registered with the Environmental Protection Agency. </li></ul>
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DOWSIL™ ST 116 Paint Additive

by Dow

DOWSIL™ ST 116 Paint Additive by Dow is a 100% active alkyl silicone polyether paint additive. It is suitable for water and solvent-based systems. It is a clear, middle viscosity, reactive silicone fluid. <br> <ul style="padding-left: 40px;"><li>Provides long lasting release and antifouling performance. </li> <li>It can be used in combination with silicone binders to enhance release properties of cured clear or pigmented coatings. </li> <li>It is compatible with film-forming silicone elastomer and acrylic emulsion systems. </li> <li>DOWSIL™ ST 116 Paint Additive is recommended for use in marine antifouling applications. </li></ul>
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BactiBlock® 920 B4

by FARRL

BactiBlock® 920 B4 supplied by FARRL is an antimicrobial additive suitable to be used in a broad variety of materials such as paints, powder coatings and construction materials. The product is VOC-free, BPR notified (PT2, PT4), EPA registered (94446-3) and can be used for food contact following Regulation UE 10/2011 (maximum silver migration admissible: 0.05 mg Ag/kg food according to EFSA). The recommended dosage range for BactiBlock® 920 B4 goes from 0.20-5% by weight. FARRL is the authorized distribution and technical advisory service partner for Germany, Austria and Switzerland.
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Arxada

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Anti-fouling Agents