Key Technological Highlights

1. UV High-Functionality Resin

• Utilizes high-functionality monomers and prepolymers to significantly increase crosslinking density, forming a dense and tough cured film that enhances both chemical bonding and physical anchoring with metal surfaces.

2. UV Yellowing-Resistant Resin

• Designed with an aliphatic molecular structure to prevent photoxidation reactions from aromatic components, maintaining pure color even under prolonged UV exposure or high-temperature conditions, making it ideal for light-colored or transparent coatings.

3. UV Water-Resistant Resin

• Incorporates hydrophobic functional groups and a dense crosslinking network to effectively block moisture penetration, preventing metal substrate corrosion and coating bubbling or peeling—perfect for humid or outdoor applications.

Core Properties & Advantages

• UV Strong Metal Adhesion Resin: Utilizes polar group-directed adsorption and interface reinforcement technology, achieving 5B adhesion rating (ASTM D3359) on metal substrates, solving traditional coating delamination issues.

• UV Fast-Curing Resin: Supports LED-UV light source for second-level curing, compatible with high-speed production lines, significantly improving processing efficiency and reducing energy consumption.

• UV High-Transparency Resin: Light transmittance >95% (400-800nm), ensuring no color interference with plated layers, perfectly showcasing metal textures and fine details.

• UV High-Gloss Resin: Forms a mirror-smooth surface after curing, achieving a 60° gloss level of >120 GU, enhancing the high-end visual appeal of products.

• UV Low-VOC Resin: Solvent-free formulation with VOC content <50ppm, compliant with EU REACH and China GB/T 38597 environmental regulations.

• UV High-Strength Film-Forming Resin: Hardness up to 4H (pencil hardness), impact resistance >50kg·cm, offering excellent wear resistance and durability.

• LED Optimized Surface Cure Resin: Enhanced photoinitiator system prevents oxygen inhibition, ensuring fast, non-tacky surface curing under LED light.

Typical Application Scenarios

• Consumer Electronics: Metal phone frames, laptop casings, smartwatch housings—balancing lightweight design with scratch resistance.

• Automotive Components: Wheel hub covers, door handles, interior metal trims—featuring excellent weather and chemical resistance.

• Household Hardware: Stainless steel kitchenware, bathroom faucets, metal lighting fixtures—providing high-gloss protection and easy-to-clean functionality.

• Industrial Equipment: Precision instrument casings, metal nameplates—meeting high-strength, corrosion-resistant, and long-term outdoor use requirements.

Working Principle

UV metal adhesion resin achieves high-efficiency bonding through the following steps:

1. Surface Preparation: The metal surface is cleaned and treated to remove grease, oxides, and other impurities, ensuring optimal adhesion.

2. Resin Coating: The UV metal adhesion resin is evenly applied to the metal surface using spraying, brushing, or dipping methods.

3. UV Curing: The coated resin is exposed to UV light, enabling rapid curing and forming a strong adhesive layer.

4. Post-Treatment: Additional processes such as polishing, coloring, or applying protective coatings can be performed as needed to enhance performance and aesthetics.

Advantages & Challenges

• Advantages:

• Rapid curing

• Strong adhesion to metals

• Eco-friendly formulation

• Enhanced production efficiency and product quality

• Challenges:

• Requires precise control of coating and curing processes to ensure uniform distribution and complete curing.

• Some substrates may require pre-treatment to achieve optimal adhesion.

Environmental & Process Compatibility

This product is based on UV low-VOC resin, reducing environmental pollution at the source. It is compatible with multiple coating processes, including spraying, roller coating, and dipping, and is highly compatible with LED-UV curing equipment. Its low shrinkage characteristic prevents microcracks at the metal interface, and combined with the LED-optimized surface cure resin, it simplifies the production process and improves yield rates.

Conclusion

UV metal adhesion resin leverages the synergistic enhancement of high-functionality resins and a modular multifunctional design (such as yellowing resistance, water resistance, and high transparency) to overcome technical barriers in metal substrate coating. It provides a one-stop solution with strong adhesion, high durability, and environmental compliance. Whether for premium consumer products or industrial applications in harsh environments, this product helps achieve quality upgrades and cost-efficiency improvements.

For customized development or technical consultation, please contact our engineering team!