Antimicrobial Powder Coatings from Powder Technology Inc.

11 Aug.,2025

 

Antimicrobial Powder Coatings from Powder Technology Inc.

  • On Demand Enhancing Paint Adhesion: Sustainable Solutions for Metal Surface Treatment

    Facing strict regulatory standards and growing demands for sustainability, the metal treatment segment needs innovative solutions that guarantee excellent paint adhesion and corrosion resistance while relying on less toxic chemicals. Organic boosters stand out as a versatile additive that meets these challenges, compatible with various inorganic chassis such as zirconium (Zr), titanium (Ti) and trivalent chromium (Cr III). This webinar will explore how to enhance performance across substrates like aluminum (Al), hot dip galvanized steel (HDG) and cold-rolled steel (CRS), offering a sustainable path forward. Agenda:  Navigating current regulations and the need for eco-friendly solutions Why Addibond improves paint adhesion and corrosion resistance across different substrates Examples of organic boosters’ application and effectiveness in different metal surfaces and industries

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  • On Demand Reshoring Excellence: Achieving Superior Finishes Through American Craftsmanship

    Join this webinar on Lockers Manufacturing's dedication to reshoring and U.S.-based production. In partnership with Hubbard-Hall — a 176-year-old, woman-owned chemical manufacturer — and distribution partner PSI, Lockers Manufacturing will share how a collaborative supply chain built on innovation, sustainability and resilience is making U.S. manufacturing stronger. Lockers Manufacturing stands out with domestically produced lockers, using U.S.-sourced materials for superior craftsmanship and a more responsive supply chain. Hubbard-Hall and PSI bring deep technical expertise and tankside support to help manufacturers like Lockers stay competitive, compliant and customer-focused. Discover how reshoring, high-quality materials and local partnerships are reshaping the future of American manufacturing. Don’t miss this opportunity to hear from industry leaders working together to build a stronger, smarter supply chain. Agenda:  How reshoring and U.S.-based production create a more agile, reliable supply chain The impact of innovation and sustainability on the growth of small, family-owned manufacturers Why quality materials and a customer-first approach are key to long-term success in American manufacturing

  • On Demand From Frustration to Efficiency: Tech That’s Changing the Game for Finishers

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  • On Demand From Tradition to Tomorrow: Hubbard-Hall’s Journey with CEO Molly Kellogg

    This webinar features Molly Kellogg — president, CEO and chairman of Hubbard-Hall — as she shares insights on the company’s remarkable 175-year journey and its continued evolution in the surface finishing industry. In a world of mergers, acquisitions and rapid change, Hubbard-Hall has remained a steadfast partner standing the test of time by building on family legacy and values. Molly, the sixth generation of family leadership, will discuss the company's rich history, from its humble beginnings as a corner drugstore to becoming a global manufacturer of specialty chemistry serving industries from Michigan to Malaysia. Discover how Hubbard-Hall’s "whatever it takes" approach — along with its extensive testing labs, production facilities and distribution centers — continues to provide customers with tank side problem-solving expertise. In this session, we’ll explore Hubbard-Hall's future, with Molly sharing her vision for carrying the company's legacy forward, the new initiatives on the horizon and how Hubbard-Hall remains committed to its mission of providing expert support with a focus on sustainability and social responsibility. Don't miss this opportunity to hear from Molly Kellogg, a leader driven by passion, tradition and a deep connection to the people who make it all possible.

  • On Demand Elevate Your Process: Top Trends in Zinc Alloy Plating

    The collaboration between Hubbard-Hall and Pavco brings together cutting-edge chemistry and extensive expertise to tackle common challenges in metal finishing, particularly for zinc (Zn) and Zn alloy plating. By leveraging the combined focus on innovation and efficiency, the team delivers practical approaches that help applicators elevate their processes, reduce costs and improve overall performance. In this webinar, the presenters will explore the synergistic effects of passivates and topcoats, revealing how they provide enhanced corrosion protection for Zn and Zn alloy plating. Together, these advances enhance the quality and durability of finishes and ensure long-term competitiveness in the marketplace. Agenda:  Elevated performance Common issues addressed Innovative processes

  • On Demand XRF Analysis of Materials for Fashion Jewelry and Accessories

    XRF measurement of the layers is also important to assure the right color and appearance of the finished goods. Join Fischer as it discusses how XRF measurements can be used for process control, quality control and incoming inspection of electroplated jewelry pieces. Agenda: The high precision of XRF Cost-reduction benefits Getting reliable results in seconds Measuring multiple layers of plating thickness Calibrating for optimal performance

  • CCAI Chapter in Spanish- Introduction to Shot Blasting Systems as a Method of Surface Pretreatment

    Attend the CCAI Spanish Chapter webinar featuring Francisco Ochoa from Vulkan Inox de México. The presenter will discuss the basic principles of shot blasting - sand blasting with Stainless steel as an option free of dust, to remove rust, and increase contact area prior to coatings applications . The session will also provide strategies for optimizing times, abrasives, and risk involved to health care in operations, offering a Green solution with lo CO2 emissions. The presentation will be completely in Spanish and is open to anyone wanting to attend. Registration is required. Help support this new chapter by attending. If you need additional information or want to become a member, please reach out the Chapter President – Pedro Castillo at .

  • National Composites Week

    The goal of National Composites Week is to celebrate and bring attention to the myriad ways that composite materials and composites manufacturing contributes to the products and structures that shape the American manufacturing landscape today. Learn how you can participate in this year's National Composites Week on NationalCompositesWeek.com.

  • FABTECH

    North America’s largest metal forming, fabricating, welding and finishing event heads to McCormick Place, September 8-11, . FABTECH provides a convenient ‘one-stop shop’ venue where you can meet with world-class suppliers, see the latest industry products and developments, and find the tools to improve productivity, increase profits and discover new solutions to all of your metal forming, fabricating, welding and finishing needs. Future U.S. Show Dates and Locations – October 21-23 at Las Vegas Convention Center in Las Vegas, NV – September 13-16 at McCormick Place in Chicago, IL

  • Metal Finishing Conference

    The Metal Finishing Conference brings together suppliers to the metal finishing industry and key decision makers from metal finishing companies looking for innovative products and services for the challenges they face from customers and regulators. Suppliers will be provided four full hours to exhibit their products and services. These shows are the most cost effective way to reach all your metal finishing customers and potential customers in one evening.

  • Revenue Riptide

    A Job Shop Summit and Steelhead User Conference This two-day job shop event is action packed with business strategy, job shop conversations, networking opportunities and the opportunity to kick a field goal on the Detroit Lion’s turf!   Who should attend? Growth-focused organizations, looking to maximize business outcomes and operational excellence. Executive leadership and management exploring opportunities to improve operations and think about the business in new ways. Industry thought leaders, consultants, suppliers, and change-makers seeking to learn more from job shops. Job Shop Customers, such as OEMs and fabricators. The Steelhead Team

  • IHEA Industrial Heating Decarbonization SUMMIT

    The industrial heating industry is searching for pathways to become more sustainable and lower carbon emissions. The IHEA Industrial Heating Decarbonization SUMMIT is ready to lead the industry down this path. The SUMMIT is designed to be your gateway to the future of manufacturing heating processes, leveraging the energy and carbon connection, and sustainable environmental stewardship. Join us as we convene business leaders, innovators, and policymakers to chart a path towards a carbon-neutral industrial sector. WHY ATTEND? Network with Leaders: Connect with industry pioneers, government officials, and sustainability experts to forge partnerships and collaborations. Stay Informed: Gain insights into the latest technologies, trends, and best practices driving decarbonization efforts across industries. Access Expertise: Learn from keynote speakers, panel discussions, and workshops led by experts in decarbonization, renewable energy, and sustainable manufacturing. Be Inspired: Success stories and case studies will showcase real-world examples of decarbonization initiatives making a positive impact will provide inspiration for all. Shape the Future: Be at the forefront of shaping policies and strategies that will drive the transition to a low-carbon economy. THEMES RUNNING THROUGHOUT THE SUMMIT WILL FOCUS ON: Low Carbon Fuels in Industrial Processes Carbon Capture and Storage Technologies Global Benchmarking Economics and Business Concerns Innovations in Clean Technologies DOE Programs and Tools Policy Frameworks for Decarbonization ….and more AGENDA HIGHLIGHTS: Keynote Addresses by Industry Visionaries Panel Discussions on Decarbonization Strategies Workshops on Implementing Sustainable Practices Networking Sessions with Industry Leaders Exhibitions Showcasing Cutting-edge Technologies WHO SHOULD ATTEND? CEOs and Executives from Industrial Companies Sustainability Officers, Analysts and Project Managers Environmental Managers Government Officials and Policymakers Researchers and Academics in Clean Technology Plant Managers Complete details and registration information coming soon. Check back for updates!

Top 4 Materials That Can't Be Powder Coated and Why

Powder coating is a popular finishing technique known for its durability, vibrant colors, and ability to protect surfaces from wear and corrosion. It's widely used for metals and conductive materials, offering a smooth and long-lasting finish. However, not all materials suit this process due to heat sensitivity and lack of conductivity.

Wondering what is powder coatings are and why some materials can't be coated?

In this blog, we'll explore the limitations of powder coating and which materials are unsuitable for it.

How Does Powder Coating Work?

Have you ever wondered what makes powder coating so durable and widely preferred?

Let's dive into the process to understand how it works and why some materials don't cut.

1.The Process- From Powders to Durable Finishes

The magic of powder coating lies in its unique application process. An electrostatically charged powder is sprayed onto a surface, ensuring it clings evenly before being baked at high temperatures. This heat cure transforms the powder into a smooth, tough, and eye-catching finish. Whether for furniture, cars, or industrial equipment, this process guarantees high performance and vibrant results.

For specific needs, such as increased durability, super durable powder coating is an excellent option, offering long-lasting finishes even under extreme conditions.

2.Importance of Surface Preparation and Adhesion

Imagine painting a dirty, uneven wall—no matter how good the paint is, the results won't last. Similarly, surface preparation is critical in powder coating. Cleaning, degreasing, and sandblasting remove dirt, oils, and rust, ensuring the powder sticks perfectly. This step can make all the difference in creating a flawless, long-lasting finish for applications like metal powder coating and sheet metal powder coating.

3.Common Types of Powder Coating Powders

Not all powders are created equal! The powder coating process uses different types of powders, such as epoxy powder coating for chemical resistance, polyester powder coating for UV durability, and hybrids for a mix of benefits. Choosing the right powder is essential for getting the perfect look and performance.

What Materials Cannot Be Powder Coated?

While powder coating is a widely used finishing method, certain materials face challenges due to their properties.

Here's a closer look at what prevents some surfaces from being powder-coated.

1.Non-Conductive Materials

Plastics, glass, and rubber lack the electrical conductivity required for powder adhesion. These materials are generally unsuitable for long-lasting results, even with unique treatments like a powder primer. 

2.Heat-Sensitive Materials

The curing process in high heat powder coating involves extreme temperatures, often exceeding 200°C (392°F). Heat-sensitive materials such as certain plastics and low-melting-point alloys may warp or melt, making them unsuitable. Learn more about how powder coating withstands heat in this blog.

3.Porous Materials

Untreated woods and fabrics absorb moisture, causing adhesion issues and uneven finishes. While industrial powder coating techniques may offer partial solutions, these materials typically require alternative coatings.

Can you powder coat over galvanized steel? It's possible, but the zinc layer often causes poor adhesion or bubbling during curing. Advanced preparation techniques may help, but they are not always reliable.

4.Materials with Surface Defects

Even materials suited for powder coating only succeed with proper preparation. Contaminants, grease, or uneven surfaces hinder adhesion and result in a flawed finish. Reputable powder coating manufacturers emphasize meticulous surface prep to ensure quality.

Table of Materials and Challenges

Can Powder Coating Be Done on Specific Materials?

Let's address some of the most common queries about specific materials and their compatibility with powder coating.

1.Can You Powder Coat Aluminum?

Yes, aluminum is an excellent candidate for powder coating. Its natural conductivity allows for smooth application and strong adhesion, making it ideal for long-lasting finishes.

YD Powder Coating supply professional and honest service.

2.Can I Powder Coat Stainless Steel?

Stainless steel requires extra preparation for powder coating, but it's possible. Sandblasting or priming ensures better adhesion for a durable and esthetic finish.

3.Does Powder-Coated Aluminum Rust?

No, powder-coated aluminum is highly resistant to rust. The powder coating acts as a protective barrier, safeguarding it from environmental damage and ensuring a long-lasting finish.

Powder Coating Colors and Finishes

Powder coating is celebrated not just for its durability but also for its wide range of colors and finishes, inspiring a multitude of design possibilities.

1.Popular Powder Coating Colors and Their Impact

Powder coating offers an extensive palette of colors, making it a versatile choice for various applications. Whether you're looking for neutral tones or bold hues, these colors enhance the visual appeal of products while providing a protective layer. Powder coat color charts help you select the perfect shade for every need.

2.Unique Finishes

In addition to vibrant colors, powder coating provides finishes like brushed nickel, textured coatings, and matte black. These finishes are ideal for creating sophisticated or rugged looks, catering to functional and esthetic requirements.

3.Exploring Blue Powder Colors and Custom Shades

Blue tones are among the most popular powder coating choices, adding a sleek and modern feel to surfaces. For those looking for something unique, custom colors offer endless possibilities customized to their preferences.

4.Understanding RAL Color Standards

The RAL color chart is an international standard for powder coating colors, ensuring consistency across applications. It helps manufacturers and designers select precise shades for uniform results, making it a trusted tool in the industry. For example, RAL  (Brown Red) and RAL  (Concrete Grey) are popular choices for industrial and architectural projects.

For projects requiring FDA approval, FDA-compliant powder coatings offer a safe and specialized option for specific industries, ensuring compliance without compromising quality.

What Are the Alternatives for Materials That Cannot Be Powder Coated?

While powder coating is a highly durable and versatile finishing method, it's unsuitable for every material. Thankfully, there are effective alternatives to achieve a protective and visually appealing finish.

1.Liquid Paint and Its Applications

Liquid paint is a widely used alternative to powder coating. Unlike powder coating, it does not require high curing temperatures, making it suitable for materials like wood, plastics, and certain heat-sensitive metals.

This method is particularly useful for projects requiring intricate designs or precise color matching, such as liquid paint for metal applications. Additionally, liquid paint offers the advantage of easy touch-ups, providing greater flexibility during application and maintenance.

2.Specialized Coatings for Unique Materials

Specialized coatings like metallic silver and black are excellent choices for materials that need enhanced durability and esthetics. These coatings work well on materials where standard powder coating may fail, such as textured surfaces or non-conductive materials. They also provide a unique finish, enhancing the surface's appearance and functionality.

High-Temperature Coatings for Heat-Sensitive Applications

High-temperature coatings are reliable solutions when materials are exposed to extreme temperatures. They are designed to withstand intense heat without compromising their protective qualities, making them ideal for industrial applications, engine components, or machinery. They provide excellent corrosion resistance while ensuring durability under harsh conditions.

Consider these alternatives to achieve the desired finish and performance even when powder coating isn't an option. Each method has its own strengths and offers customized solutions for specific materials and applications.

Why Choose Kroma Coatings?

Regarding reliable and high-quality finishes, Kroma Coatings is a trusted partner for all your coating needs.

Kroma Coatings has a proven track record of handling even the most challenging coating requirements. From complex surfaces to specialized materials, we provide tailored solutions that ensure durability and a flawless finish. As experienced powder coating manufacturers, we combine advanced techniques with top-quality materials to deliver exceptional results consistently.

Whether you need standard powder coating or innovative alternatives for unique materials, Kroma Coatings' expertise and commitment to excellence make it the right choice for your next project.

Let us help you achieve the perfect finish for your needs.

Recommended Reads

  • Powder Coating Colors: The Ultimate Guide

  • What is Epoxy Powder Coating?

  • Powder Coat vs. Paint: Top 5 Differences

Conclusion

Not all materials are suitable for powder coating due to challenges such as lack of conductivity, sensitivity to high temperatures, or porous surfaces. Non-conductive materials like plastics and glass, untreated wood, and certain heat-sensitive items often need to meet the requirements for powder coating powder applications.

Understanding these limitations is essential for selecting the correct finishing process. Exploring alternatives like liquid paint or specialized coatings ensures durability and esthetic appeal, even for materials that cannot undergo powder coating. Making informed choices about these options guarantees the best results for your coating projects.

FAQs

1.What materials cannot be powder coated?

2. Can we powder-coat plastic?

3. What will the powder coat not stick to?

4.What are the limitations of powder coating?

The main limitations of powder coating include.

  • Its incompatibility with non-conductive or heat-sensitive materials.

  • The need for thorough surface preparation.

  • Difficulties with achieving ultra-thin or highly intricate finishes.

Kroma Coatings excels in handling these limitations by offering customized solutions and professional guidance, ensuring the best results for every project.

5.Does powder coating crack?

Under normal conditions, powder coating does not crack. However, improper application, insufficient curing, or extreme impact can lead to cracking or flaking, reducing its durability. Kroma Coatings uses advanced application methods and high-quality materials to minimize the risk of cracking and ensure long-lasting, durable coatings.

6. Is the powder coat waterproof?

Yes, powder coating creates a waterproof barrier that protects the surface from moisture and corrosion. However, any damage, such as scratches or cracks, can expose the underlying material and compromise its waterproofing.