{"id":19382,"date":"2025-06-11T06:00:48","date_gmt":"2025-06-11T12:00:48","guid":{"rendered":"https:\/\/www.ulprospector.com\/knowledge\/?p=19382"},"modified":"2025-08-07T09:49:05","modified_gmt":"2025-08-07T15:49:05","slug":"pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability","status":"publish","type":"post","link":"https:\/\/ulprospector.ul.com\/19382\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\/","title":{"rendered":"Direct-to-Metal Coatings: Evolving Chemistry, Elevated Performance, and Enhanced Sustainability"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-19389\" src=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/metalcoating_300.jpg\" alt=\"\" width=\"300\" height=\"200\" \/>by Ronald Lewarchik and Vishakha Makode<\/p>\n<p>In our 2019 article<strong>, <\/strong>T<a href=\"https:\/\/ulprospector.ul.com\/9645\/pc-the-rapidly-growing-segment-of-direct-to-metal-coatings\/?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">he Rapidly Growing Segment of Direct-to-Metal Coatings<\/a>, we highlighted the promise of Direct-to-Metal (DTM) coatings as a simplified, cost-effective, and time-efficient alternative to conventional multi-coat systems. As of 2025, the DTM segment has matured significantly driven by advancements in polymer architecture, additive technologies, and application science. DTM technology is particularly well suited for architectural and industrial applications. This update provides a comprehensive overview of the sector\u2019s evolution, including new formulation strategies, enhanced performance standards, and compliance with increasingly stringent environmental regulations. <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/Formulation\/search?k=Direct+To+Metal&amp;sug=1&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">DTM coatings<\/a> have now solidified their position as high-performance solutions capable of delivering robust corrosion protection, UV resistance, and surface durability\u2014making them a viable and scalable choice for demanding industrial and architectural applications.<\/p>\n<p><strong>DTM- The One-Coat Revolution<\/strong><\/p>\n<p>DTM coatings continue to offer a single-layer solution, eliminating the need for separate primers and topcoats. The convenience of applying one coat directly on metal substrates remains a compelling advantage. However more recent DTMs now deliver enhanced corrosion protection, UV durability, and cosmetic appeal previously associated only with multi-layer systems.<\/p>\n<figure id=\"attachment_19384\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 517px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19384 size-full\" src=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/TraditionalPrimerTopcoat.png\" alt=\"\" width=\"517\" height=\"280\" srcset=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/TraditionalPrimerTopcoat.png 517w, https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/TraditionalPrimerTopcoat-300x162.png 300w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><figcaption class=\"caption wp-caption-text\">Figure 1: Comparison of Traditional Primer + Topcoat vs. Single-Coat DTM Process<\/figcaption><\/figure>\n<p>Advancements in polymer science, additive engineering, and formulation strategies have enabled DTMs to perform reliably in medium-duty industrial and architectural applications. The industry&#8217;s shift toward high-solids and waterborne chemistries, driven by environmental regulations, has not only reduced VOC content but also unlocked new levels of application flexibility and performance.<\/p>\n<hr \/>\n<h3>Accelerate your ESG management and performance no matter where you are on your journey, learn more about <a href=\"https:\/\/www.ul.com\/software\/ultrus\/esg?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">here<\/a>!<\/h3>\n<hr \/>\n<p><strong>Polymer Chemistry: The Core of Innovation<\/strong><\/p>\n<p>Resin chemistry lies at the heart of recent DTM innovations. New binder technology offers a wide range of curing mechanisms:<\/p>\n<ul>\n<li>1K Thermoplastics for ease of application in low-demand environments.<\/li>\n<li>1K Self-Crosslinking Systems using ambient-curable acrylics, alkyds, and hybrid latexes.<\/li>\n<li>2K Epoxy and Polyurethane Systems offering robust chemical and mechanical resistance<\/li>\n<li>Moisture-Cure and UV\/EB-Cure Systems delivering high-performance, instant-drying options for rapid production.<\/li>\n<\/ul>\n<p>These DTM chemistries are often integrated into hybrid architectures (e.g., acrylic-epoxy, acrylic-fluoropolymer, or polyaspartic-based systems) that combine the benefits of flexibility, weather resistance, and corrosion control in a single film.<\/p>\n<p><strong>Additives and Formulation Strategy<\/strong><\/p>\n<p>Newer DTM coatings often utilize additives that play a crucial role in bridging the performance gap between traditional systems and single-layer DTMs:<\/p>\n<ul>\n<li>Advanced corrosion inhibitors like <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/Product\/search?k=%22zinc+phosphate%22&amp;st=31&amp;so=k_0&amp;sl=497546725&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">zinc phosphate<\/a>, <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/Product\/search?k=%22magnesium+silicates%22&amp;st=31&amp;so=k_0&amp;sl=497546757&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">magnesium silicates<\/a>, and organic complexes.<\/li>\n<li>Flash-rust inhibitors (such as <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/search?k=flash+rust+inhibitors&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">Flash Rust Inhibitors list<\/a>) tailored for waterborne systems.<\/li>\n<li>Multifunctional dispersants and surfactants that enhance pigment stability while contributing to rust inhibition.<\/li>\n<li>Smart rheology modifiers that allow thick films with excellent flow and leveling, crucial for one-coat application.<\/li>\n<li>Adhesion promoters can either be built into polymers or utilized as separate additives to ensure compatibility with multiple metal substrates.<\/li>\n<li>UV stabilizers to resist chalking and color fade for exterior durability.\n<p><figure id=\"attachment_19385\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 319px\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-19385\" src=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/crosssectiondtm.png\" alt=\"\" width=\"319\" height=\"192\" srcset=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/crosssectiondtm.png 319w, https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/crosssectiondtm-300x181.png 300w\" sizes=\"(max-width: 319px) 100vw, 319px\" \/><figcaption class=\"caption wp-caption-text\">Figure 2: Cross-Section Diagram of DTM Coating on Metal with Labeled Additive Functions<\/figcaption><\/figure><\/li>\n<\/ul>\n<p>These ingredients are carefully balanced using digital formulation tools and physical mechanical testing to ensure that each component supports long-term durability without compromising storage stability, as well as aesthetics or application properties.<\/p>\n<p><strong>Performance Breakthroughs: Matching or Exceeding Multi-Coat Systems<\/strong><\/p>\n<p>The new generation of DTM coatings rival two-coat systems for many performance parameters such as:<\/p>\n<ul>\n<li>Corrosion Resistance: Waterborne acrylics as well as hybrid systems that provide &gt;500 hours of salt spray resistance with minimal scribe creep.<\/li>\n<li>Mechanical Strength: Crosslinked polyurethanes and epoxy hybrids deliver impact and abrasion resistance suitable for structural steel, machinery, and handrails.<\/li>\n<li>Weatherability: Acrylic-fluoropolymer blends and silicone hybrids offer unmatched gloss retention and UV durability.<\/li>\n<li>Application Efficiency: One-pass, high-build films (&gt;75 microns dry) can now be applied with minimal sag or defects.<\/li>\n<\/ul>\n<p>Moreover, these coatings are increasingly formulated to perform well over surfaces with minimal surface \u00a0preparation, making them ideal for field maintenance and quick-turnaround projects.<\/p>\n<hr \/>\n<h3>Achieve regulatory compliance, supply chain transparency and meet your sustainability initiatives with WERCS Studio software, learn more about <a href=\"https:\/\/www.ul.com\/software\/ultrus\/chemical-data-compliance-management?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">here<\/a>!<\/h3>\n<hr \/>\n<p><strong>Regulatory Alignment and Sustainability<\/strong><\/p>\n<p>Sustainability is no longer optional. DTM coatings are now aligned with global environmental and safety standards:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/search?k=%22Low+to+Zero+VOC%22&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">Low to Zero VOC<\/a>: Many products meet &lt;50 g\/L thresholds, eliminating co-solvents and exempt VOCs.<\/li>\n<li><a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/search?k=%22Heavy+Metal-Free%22&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">Heavy Metal-Free<\/a>: Modern DTMs have phased out lead, chromate, and cobalt-based compounds.<\/li>\n<li><a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/Products\/1\/Additives\/search?k=bio-based+additives&amp;st=31&amp;so=k_0&amp;sl=497547176&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">Bio-Based Additives<\/a>: Soy-derived alkyds and renewable polyols are making inroads, enhancing both performance and environmental profiles.<\/li>\n<li>PFAS-Free Surfactants: The industry is phasing out fluorosurfactants to eliminate persistent chemicals.<\/li>\n<\/ul>\n<figure id=\"attachment_19386\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 467px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19386 size-full\" src=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/sustainabilityDTM.png\" alt=\"\" width=\"467\" height=\"311\" srcset=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/sustainabilityDTM.png 467w, https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/sustainabilityDTM-300x200.png 300w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/><figcaption class=\"caption wp-caption-text\">Figure 3: Sustainability Advantages in Modern DTM Coatings<\/figcaption><\/figure>\n<p>Life cycle assessments also show that fewer recoats, and simplified application translate to a lower carbon footprint, making DTMs attractive in green building certifications and sustainable manufacturing practices.<\/p>\n<p><strong>Innovation Outlook: What does the future hold for DTM Coatings?<\/strong><\/p>\n<p>As Direct-to-Metal technologies continue to mature, their innovation curve is not merely an extension of existing capabilities, but a leap into smarter, more integrated coating systems that<\/p>\n<p>merge material science with digital intelligence and sustainability goals. Looking ahead, DTMs will continue evolving through:<\/p>\n<ul>\n<li>Smart Coatings: Self-healing microcapsules, pH-responsive corrosion inhibitors, and thermochromic pigments that provide visual cues for degradation or temperature thresholds.<\/li>\n<li>Nanostructured Binders: Core-shell particles, interpenetrating networks, and dendritic polymers offer better packing density, improved barrier properties, and high crosslinking efficiency without excessive viscosity.<\/li>\n<li>AI-Assisted Formulation: Machine learning models trained on experimental data can now predict corrosion resistance, gloss retention, and cure time, dramatically accelerating product development.<\/li>\n<li>Integration with Pretreatment Technologies: Silane-based conversion coatings or phosphate-free prewashes that complement DTMs to form high-performance duplex systems.<\/li>\n<li>Application Agility: Innovations in thick-film brushable DTMs and aerosol-packaged DTM solutions for field touch-ups and consumer DIY markets.<\/li>\n<li>High-Throughput Screening: Robotic testing setups and digital formulation libraries enable rapid assessment of thousands of formulations, identifying optimal combinations in record time.<\/li>\n<li>Bio-Based and Circular Materials: The adoption of resins made from algae oils, lignin derivatives, and recyclable thermosets are emerging, bringing DTMs closer to cradle-to-cradle sustainability models.<\/li>\n<li>Powder DTM Systems: Emerging powder-based DTMs now offer primerless adhesion on sharp edges and complex geometries, challenging liquid DTMs in factory settings where oven curing is feasible.<\/li>\n<li>Smart Additives and Functional Coatings: Additives that respond to mechanical damage, environmental pH changes, or moisture to activate protective functions, transforming DTMs into responsive protection systems.<\/li>\n<\/ul>\n<figure id=\"attachment_19387\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 501px\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-19387\" src=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/smartdtmcoating.png\" alt=\"\" width=\"501\" height=\"334\" srcset=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/smartdtmcoating.png 501w, https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/smartdtmcoating-300x200.png 300w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><figcaption class=\"caption wp-caption-text\">Figure 4: Smart DTM Coating<\/figcaption><\/figure>\n<p>New developments are also focusing on hybrid binder systems where epoxy-acrylic or silicone-acrylic combinations provide both mechanical strength and environmental durability. Research has demonstrated that combining fluorinated and acrylic segments in a latex particle can yield waterborne DTM coatings with gloss retention rivaling TGIC based powder coatings, extending use to architectural curtain walls and highway structures.<\/p>\n<p>In parallel, cross-industry collaboration is promoting coatings tailored for emerging sectors such as renewable energy infrastructure. DTM coatings are being trialed for wind turbine towers, solar panel frames, and even battery enclosures, where durability, chemical resistance, and aesthetics converge.<\/p>\n<p>There\u2019s growing traction around the use of vitrimers in DTM\u2014thermoset polymers that can be reshaped or healed at elevated temperatures, enabling repairable yet durable coatings. Their adaptability makes them promising for industrial maintenance where longevity and cost-efficiency matter.<\/p>\n<p>Regulatory and supply chain pressures are also accelerating AI adoption. Coating formulators increasingly rely on predictive modeling to test hypothetical DTM formulations under different environmental and mechanical stressors. This virtual simulation cuts R&amp;D timelines dramatically.<\/p>\n<p>Finally, future DTMs are expected to integrate embedded sensor functionalities for structural health monitoring. This opens new pathways for smart infrastructure coatings that not only protect but also diagnose, enabling predictive maintenance.<\/p>\n<p>These directions suggest a bright future for DTMs as a high-performance, smart, and sustainable solution for modern industrial and architectural coating needs.<\/p>\n<p><strong>Field Adoption and Market Expansion<\/strong><\/p>\n<p>The adoption of DTM coatings has expanded significantly across sectors beyond traditional light industrial use. The oil and gas industry has started evaluating high-performance DTMs for above-ground pipeline structures due to their simplified maintenance and fast return-to-service benefits. In construction and architectural metal markets, DTM coatings are gaining favor for steel cladding, handrails, support structures, and galvanized building frames where aesthetics and protection must coexist.<\/p>\n<p>OEM manufacturers are also investing in DTMs as a viable solution to streamline operations. For example, equipment manufacturers are turning to DTM technologies to coat steel frames, enclosures, and components in one step, reducing labor and cycle time while complying with global VOC and HAP limits.<\/p>\n<p>Notably, the <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/search?k=%22automotive+refinish%22&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">automotive refinish<\/a> sector is testing rapid-cure DTMs as primer-surfacers for commercial vehicle panels and underbodies, citing lower emissions and easier repair workflows. This marks a shift from DTMs being viewed solely as low-end coatings to viable, high-performing alternatives across complex use cases.<\/p>\n<p>As performance validation and confidence grow, more specifiers and coating engineers are integrating DTMs into long-term asset protection programs. Coating specifications, once rigidly tied to three-layer systems, are being reimagined to include high-performance DTM technologies.<\/p>\n<p><strong>Technical Challenges and R&amp;D Opportunities<\/strong><\/p>\n<p>Despite the progress in formulation and field adoption, Direct-to-Metal coatings continue to face several technical challenges that demand ongoing research and innovation:<\/p>\n<ul>\n<li>Substrate Variability: DTM coatings must adhere to a wide range of metal substrates\u2014cold-rolled steel, galvanized steel, aluminum alloys, and weathered or oily surfaces. The differences in surface energy, oxide layer chemistry, and cleanliness all affect adhesion and performance. Developing universal adhesion promoters or self-adaptive polymers is a key research direction.<\/li>\n<li>Film Thickness Control: Applying a single-coat system at higher film builds (&gt;100 microns) without sagging, bubbling, or compromising cure remains difficult, especially with waterborne chemistries. Advanced rheology packages and novel thickening agents are under development to enable smooth, sag-free high builds.<\/li>\n<li>Cure Speed vs. Pot Life: Two-component systems face the classic tradeoff\u2014faster curing means shorter pot life. R&amp;D is focused on latent catalysts and microencapsulated hardeners that extend working time while ensuring fast cure post-application.<\/li>\n<li>Long-Term Weathering Data: Accelerated weathering tests (QUV, salt fog, humidity chambers) simulate aging but don\u2019t always capture real-world conditions. Long-term outdoor exposure data across climates is essential to fully validate DTM performance across all geographies.<\/li>\n<li>Sustainability Metrics and Certification: While many DTM coatings meet low-VOC standards, full sustainability assessment requires life cycle analysis (LCA), indoor air quality certification, and ingredient transparency. Emerging standards like Environmental Product Declarations (EPDs), Green Seal, and LEED v5 alignment are becoming key differentiators in green procurement.<\/li>\n<\/ul>\n<p>These challenges represent opportunities for coating manufacturers and research institutions to collaborate on next-gen DTM materials that go beyond compliance to deliver multi-functional, environmentally conscious, and globally adaptable protective solutions.<\/p>\n<p><strong>Conclusion<\/strong><\/p>\n<p>From a niche convenience solution in 2019 to a mainstream, high-performance technology in 2025, <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Coatings\/Formulation\/search?k=Direct+To+Metal&amp;sug=1&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=Metal_Coatings&amp;utm_term=2025PC&amp;utm_content=Lewarchik\" target=\"_blank\" rel=\"noopener\">Direct-to-Metal coatings<\/a> have evolved significantly. Enabled by chemistry, inspired by sustainability, and driven by application needs, today\u2019s DTMs are more than just a primer-topcoat replacement. They are a reflection of modern coatings innovation \u2013 smart, sustainable, and performance-optimized.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>References<\/strong><\/p>\n<ol>\n<li>UL Prospector Knowledge Center. (2019). The rapidly growing segment of direct-to-metal coatings. Retrieved from <a href=\"https:\/\/ulprospector.ul.com\/9645\/pc-the-rapidly-growing-segment-of-direct-to-metal-coatings\/\" target=\"_blank\" rel=\"noopener\">https:\/\/ulprospector.ul.com\/9645\/pc-the-rapidly-growing-segment-of-direct-to-metal-coatings\/<\/a><\/li>\n<li>American Coatings Association (Paint.org). Technical papers and regulatory updates on DTM coatings and VOC regulations. Retrieved from <a href=\"https:\/\/insights.basf.com\/home\/article\/read\/acrylic-polyol-with-enhanced-performance-for-2k-pur-direct-to-metal-coatings\" target=\"_blank\" rel=\"noopener\">https:\/\/insights.basf.com\/home\/article\/read\/acrylic-polyol-with-enhanced-performance-for-2k-pur-direct-to-metal-coatings<\/a><\/li>\n<li>BASF Insights. Technical briefs on high-performance DTM resins and field validation. Retrieved from <a href=\"https:\/\/insights.basf.com\/home\/article\/read\/acrylic-polyol-with-enhanced-performance-for-2k-pur-direct-to-metal-coatings\" target=\"_blank\" rel=\"noopener\">https:\/\/insights.basf.com\/home\/article\/read\/acrylic-polyol-with-enhanced-performance-for-2k-pur-direct-to-metal-coatings<\/a><\/li>\n<li>Arkema Coating Resins. Product documentation and whitepapers on self-crosslinking acrylics and PVDF hybrids. Retrieved from <a href=\"https:\/\/www.arkema.com\/global\/en\/media\/newslist\/news\/non-global\/countries\/americas\/20240402-arkema-american-coatings-show-2\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.arkema.com\/global\/en\/media\/newslist\/news\/non-global\/countries\/americas\/20240402-arkema-american-coatings-show-2\/<\/a><\/li>\n<li>Innovations in waterborne epoxy and polyester-polyol DTM systems. Retrieved from <a href=\"https:\/\/allnex.com\/en\/technologies\/waterborne-resins\/water-based-acrylics\" target=\"_blank\" rel=\"noopener\">https:\/\/allnex.com\/en\/technologies\/waterborne-resins\/water-based-acrylics<\/a><\/li>\n<li>Digital formulation optimization and sustainability initiatives in polyaspartic systems. Retrieved from <a href=\"https:\/\/solutions.covestro.com\/en\/highlights\/articles\/theme\/product-technology\/pasquick\" target=\"_blank\" rel=\"noopener\">https:\/\/solutions.covestro.com\/en\/highlights\/articles\/theme\/product-technology\/pasquick<\/a><\/li>\n<li>Lamberti Surface Treatment. Trends in eco-friendly DTM additives and flash-rust inhibition. Retrieved from <a href=\"https:\/\/surfacetreatment.lamberti.com\/insights\/list-news\/2025\/ESACOTE-AC-C5609.html\" target=\"_blank\" rel=\"noopener\">https:\/\/surfacetreatment.lamberti.com\/insights\/list-news\/2025\/ESACOTE-AC-C5609.html<\/a><\/li>\n<li>PCI Magazine (PCImag.com). Technical articles and product announcements for anticorrosion pigment and additive technologies. Retrieved from <a href=\"https:\/\/www.pcimag.com\/articles\/112434-a-graphene-enhanced-anti-corrosion-chemical-additive-for-solvent-based-paints\" target=\"_blank\" rel=\"noopener\">https:\/\/www.pcimag.com\/articles\/112434-a-graphene-enhanced-anti-corrosion-chemical-additive-for-solvent-based-paints<\/a><\/li>\n<li>Sherwin-Williams. Environmental Product Declarations (EPDs) and DTM performance disclosures. Retrieved from <a href=\"https:\/\/www.sherwin-williams.com\/architects-specifiers-designers\/specifications\/sustainability\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sherwin-williams.com\/architects-specifiers-designers\/specifications\/sustainability<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>by Ronald Lewarchik and Vishakha Makode In our 2019 article, The Rapidly Growing Segment of Direct-to-Metal Coatings, we highlighted the promise of Direct-to-Metal (DTM) coatings as a simplified, cost-effective, and time-efficient alternative to conventional multi-coat systems. As of 2025, the &hellip; <a href=\"https:\/\/ulprospector.ul.com\/19382\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\/\">Continued<\/a><\/p>\n","protected":false},"author":12,"featured_media":19389,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[607,16],"tags":[206,495],"ppma_author":[1249],"class_list":{"0":"post-19382","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-articles","8":"category-paint-coatings","9":"tag-sustainability","10":"tag-paints-and-coatings","11":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Direct-to-Metal Coatings: Evolving Chemistry, Elevated Performance, and Enhanced Sustainability<\/title>\n<meta name=\"description\" content=\"As of 2025, the DTM segment has matured significantly driven by advancements in polymer architecture, additive technologies, and application science.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ulprospector.ul.com\/19382\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Direct-to-Metal Coatings: Evolving Chemistry, Elevated Performance, and Enhanced Sustainability\" \/>\n<meta property=\"og:description\" content=\"As of 2025, the DTM segment has matured significantly driven by advancements in polymer architecture, additive technologies, and application science.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ulprospector.ul.com\/19382\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\/\" \/>\n<meta property=\"og:site_name\" content=\"Prospector Knowledge Center\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-11T12:00:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-07T15:49:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ulprospector.ul.com\/wp-content\/uploads\/2025\/05\/metalcoating_300.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ron Lewarchik\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ron Lewarchik\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ulprospector.ul.com\\\/19382\\\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ulprospector.ul.com\\\/19382\\\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\\\/\"},\"author\":{\"name\":\"Ron Lewarchik\",\"@id\":\"https:\\\/\\\/ulprospector.ul.com\\\/#\\\/schema\\\/person\\\/21b1c19e5a3e88e83d018aeeeb06d5c1\"},\"headline\":\"Direct-to-Metal Coatings: Evolving Chemistry, Elevated Performance, and Enhanced Sustainability\",\"datePublished\":\"2025-06-11T12:00:48+00:00\",\"dateModified\":\"2025-08-07T15:49:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ulprospector.ul.com\\\/19382\\\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\\\/\"},\"wordCount\":1991,\"image\":{\"@id\":\"https:\\\/\\\/ulprospector.ul.com\\\/19382\\\/pc-direct-to-metal-coatings-evolving-chemistry-elevated-performance-and-enhanced-sustainability\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ulprospector.ul.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/metalcoating_300.jpg\",\"keywords\":[\"sustainability\",\"Paints and Coatings\"],\"articleSection\":[\"Articles\",\"Paint &amp; 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Lewarchik, President and CEO of Chemical Dynamics, LLC, brings 40 years of paint and coatings industry expertise to his role as a contributing author with the Prospector Knowledge Center. As a contributing writer, Ron pens articles on topics relevant to formulators in the coatings industry. He also serves as a consultant for the Prospector materials search engine, advising on issues related to optimization and organization materials within the database. Ron's company, Chemical Dynamics, LLC (www.chemicaldynamics.net), is a full-service paint and coatings firm specializing in consulting and product development based in Plymouth, Michigan. Since 2004, he has provided consulting, product development, contract research, feasibility studies, failure mode analysis and more for a wide range of clients, as well as their suppliers, customers and coaters. He has also served as an Adjunct Research Professor at the Coatings Research Institute of Eastern Michigan University. 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Lewarchik, President and CEO of Chemical Dynamics, LLC, brings 40 years of paint and coatings industry expertise to his role as a contributing author with the Prospector Knowledge Center. As a contributing writer, Ron pens articles on topics relevant to formulators in the coatings industry. He also serves as a consultant for the Prospector materials search engine, advising on issues related to optimization and organization materials within the database. Ron's company, Chemical Dynamics, LLC (www.chemicaldynamics.net), is a full-service paint and coatings firm specializing in consulting and product development based in Plymouth, Michigan. Since 2004, he has provided consulting, product development, contract research, feasibility studies, failure mode analysis and more for a wide range of clients, as well as their suppliers, customers and coaters. He has also served as an Adjunct Research Professor at the Coatings Research Institute of Eastern Michigan University. As such, Ron was awarded a sub-grant from the Department of Energy to develop energy-saving coating technology for architectural applications, as well as grants from private industry to develop low energy cure, low VOC compliant coatings. He taught courses on color and application of automotive top coats, cathodic electro-coat and surface treatment. His experience includes coatings for automotive, coil, architectural, industrial and product finishing. Previously, Ron was the Vice President of Industrial Research and Technology, as well as the Global Director of Coil Coating Technology for BASF (Morton International). During his fourteen-year tenure with the company, he developed innovative coil coating commercial products primarily for roofing, residential, commercial and industrial building, as well as industrial and automotive applications. He was awarded fifteen patents for new resin and coating formulas. From 1974 to 1990, Ron held positions with Desoto, Inc. and PPG Industries. He was the winner of two R&amp;D awards for coatings utilizing PVDF resins, developed the first commercial high solids automotive topcoat and was awarded 39 U.S. patents for a variety of novel technologies he developed. He holds a Masters in Physical Organic Chemistry from the University of Pittsburgh and subsequently studied Polymer Science at Carnegie Mellon University. Ron lives in Brighton, Michigan with his family. 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