Paints & Coatings

Onnovo Group > Preservatives > Paints & Coatings

Paints & Coatings – Advanced Protection with Onnovo’s Solutions

Onnoguard® and Onnotech® – Enhancing Durability & Microbial Resistance in Coatings

Onnovo offers a comprehensive range of preservative solutions, including Isothiazolinones (BIT, MIT, OIT), Pyrithiones (ZPT, NaPT), Diuron, Terbutryn, IPBC, and innovative encapsulated formulations. We ensure both wet-state and dry-film protection, first understanding your specific preservation challenges to deliver the RIGHT CHEMISTRY.

Understanding the Composition of Paints & Coatings

Paints and coatings are carefully engineered formulations containing multiple raw materials. While each component contributes to performance, durability, and aesthetics, many elements are highly susceptible to microbial degradation, particularly in water-based formulations.

A typical paint or coating formulation consists of:

  • Binders & Resins (Acrylics, Epoxies, Alkyds) – Essential for film formation but prone to bacterial and fungal contamination in aqueous systems.
  • Pigments & Extenders (Titanium Dioxide, Calcium Carbonate, Silica) – Often provide a surface for microbial attachment, especially in humid conditions.
  • Solvents & Water – Serve as carriers but can promote microbial growth if not adequately preserved – particularly water
  • Additives (Surfactants, Rheology Modifiers, Wetting Agents) – Enhance properties but can become nutrient sources for bacteria and fungi.

Types of Paints & Coatings & Their Antimicrobial Needs

Different coating systems require specific antimicrobial strategies to prevent contamination, degradation, and surface deterioration.

Type of Paint/Coating Key Challenges Required Antimicrobial Protection
Architectural Paints (Interior & Exterior) Mold, mildew, algae growth In-Can & Dry-Film Preservatives
Industrial Coatings Bacterial contamination in humid environments Antibacterial & Fungicidal Additives
Marine & Protective Coatings Algae & fungal growth due to prolonged water exposure Broad-spectrum Antifouling Agents
Wood Coatings Fungal degradation & discoloration Mold Inhibitors & Biocides
Automotive & Specialty Coatings Microbial spoilage affecting performance Multi-functional Preservatives

Risks of Inadequate Antimicrobial Protection in Paints

Without effective microbial control, paint manufacturers may face serious production, quality, and regulatory risks:

  • Microbial Spoilage in Storage – Loss of viscosity, phase separation, and foul odors.
  • Fungal Growth on Applied Coatings – Aesthetic damage, film deterioration, and shortened lifespan.
  • Algae Infestation on Exterior Surfaces – Weakens coatings, leading to peeling, cracking, and discoloration.
  • Reduced Shelf-Life of Paints & Coatings – Risk of product recalls and increased waste.
  • Regulatory Non-Compliance – Failing to meet BPR, EPA, and REACH standards for microbial protection.
  • Customer Complaints & Brand Damage – Inconsistent performance erodes manufacturer credibility.

Cell Technology (Encapsulated Biocide)

Encapsulation technology, or Cell Technology (CT), represents a next-generation approach to antimicrobial protection in paints and coatings. By enclosing active biocides within a protective matrix, this controlled-release technology enhances efficacy and extends the lifetime of preservatives.

Advantages of Encapsulated Antimicrobial Technology

  • Extended Protection – Gradual, controlled release of biocidal agents ensures longer-lasting microbial resistance.
  • Improved Stability – Reduces volatility and degradation, ensuring consistent performance over time.
  • Enhanced Compatibility – Minimal impact on paint color, viscosity, and finish quality.
  • Reduced Environmental Impact – Lower biocide dosage requirements contribute to safer, more sustainable formulations.

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Onnovo’s Services & Support for our Customers

At Onnovo, we recognize that coatings manufacturers require more than just raw materials—they need tailored solutions and expert support to meet performance, regulatory, and sustainability goals.

Regulatory Consulting

Onnovo provides comprehensive guidance to help manufacturers navigate global biocide regulations, ensuring compliance with:

  • BPR (EU) – Biocidal Products Regulation
  • EPA (US) – Environmental Protection Agency
  • REACH (EU) – Registration, Evaluation, Authorization, and Restriction of Chemicals
  • CCIC & NHC (China) – China Compulsory Certification & National Health Commission Regulations
  • JIS (Japan) – Japanese Industrial Standards for biocides
  • ANVISA (Brazil) – National Health Surveillance Agency for chemical regulations in South America
  • ICC (India) – Indian Chemical Council

Our regulatory experts work closely with manufacturers to ensure their formulations comply with regional and global standards while maximizing antimicrobial efficacy and market acceptance.

Custom Formulation Support

We collaborate with manufacturers to develop bespoke additive and biocide solutions, optimizing their coatings for performance, durability, and regulatory acceptance. Whether you require high-performance in-can preservation, dry-film protection, or eco-friendly biocides, our team can tailor solutions to meet your needs.

Microbial Testing & Stability Studies

Onnovo’s state-of-the-art analytical and microbiological laboratories conduct rigorous testing and validation to assess:

  • Microbial resistance to bacteria, fungi, and algae
  • Product stability under real-world conditions
  • Long-term coating performance and durability

Our testing ensures that your coatings remain protected throughout their lifecycle, from production to final application.

Sustainability & Eco-Friendly Solutions

We work closely with manufacturers to develop low-VOC, non-toxic, and biodegradable antimicrobial solutions that align with modern sustainability trends and environmental regulations. Our sustainable solutions help reduce the environmental footprint of paints and coatings without compromising performance.

Technical and R&D Support

With an international presence, Onnovo offers dedicated technical assistance, helping manufacturers with:

  • Formulation troubleshooting to optimize product stability and performance
  • New solution and product development tailored to industry requirements
  • On-site and remote R&D collaboration for innovation in antimicrobial coatings

Our deep industry expertise and scientific approach ensure that your coatings perform consistently while meeting evolving market demands.

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