7901B UV-resin for industrial coatings

Polyurethane Acrylate 7901B: The “All-Purpose Armor” for Industrial Coatings

In the high-performance arena of surface engineering, Polyurethane Acrylate 7901B stands as a benchmark in UV vacuum metallization topcoats, UV inks, and vibration-resistant wear coatings. With its fast curing, high hardness, exceptional RCA wear resistance, scratch resistance, anti-yellowing properties, and balanced toughness, it provides products with an invisible armor that seamlessly integrates aesthetics with functionality.

Ultra-Fast Curing: A Revolution in Efficiency

Under UV exposure, deep crosslinking is completed within 3 seconds (at an energy density ≥100mJ/cm²), making it ideal for high-speed roll coating and automated production lines. It improves production efficiency by 40% while reducing unit energy consumption by 25%, particularly benefiting vacuum-metallized smartphone housings and high-volume 3C product UV printing

Hardness & Wear Resistance: Ready for Extreme Challenges

With a surface hardness of 4H (pencil hardness) and RCA wear resistance of ≥300 cycles (175g load), 7901B significantly outperforms standard coatings. It easily withstands key scratches and dust abrasion, ensuring long-lasting durability for laptop casings and smart wearable devices.

Scratch Resistance & Anti-Yellowing: Flawless Over Time

Leveraging nano-scale inorganic hybrid technology, it achieves a Mohs hardness >3, enhancing scratch resistance by 50%. With synergistic UV stabilizers, it maintains a color difference ΔE <1.5 even after 1000 hours of QUV aging, keeping white home appliances and automotive interiors pristine and free from yellowing.

Balanced Toughness: Strength with Flexibility

With precisely controlled elastic modulus (500-800 MPa), it balances 3H hardness with a 5% elongation at break (ASTM D638), making it ideal for vacuum-metallized foldable screen hinges and vibration-resistant automotive grille coatings, ensuring crack-free resilience under high-frequency impacts.

From brilliant vacuum-metallized components to wear-resistant coatings in extreme environments, 7901B redefines industrial coating reliability. With its fast, hard, tough, stable, and pristine performance, it ensures that technology and aesthetics coexist seamlessly under the test of time.