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Why Does Reflective Marking Paint Fade? Causes & Prevention​​

Release Time:2025-07-02
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Reflective marking paint is critical for road safety, but its fade over time compromises visibility. Understanding the causes and preventive measures ensures long-lasting performance.
​​Causes of Fading​​
​​UV Exposure​​: Sunlight degrades pigments and binders in reflective marking paint, especially in high-traffic areas.
​​Poor Adhesion​​: Inadequate surface preparation or low-quality primers reduce paint adherence, accelerating wear.
​​Environmental Pollutants​​: Acid rain, chemicals, and abrasion from traffic erode the paint layer and embedded glass beads.
​​Inferior Materials​​: Cheap reflective marking paint lacks UV-resistant pigments or durable resins, fading faster.
​​Prevention Tips​​
​​Use High-Quality Paint​​: Opt for reflective marking paint with UV inhibitors and premium glass beads for better reflectivity retention.
​​Proper Application​​: Clean surfaces thoroughly, apply primer, and ensure even glass bead distribution during installation.
​​Regular Maintenance​​: Inspect and touch up faded sections annually to maintain retroreflectivity standards.
By addressing these factors, reflective marking paint can retain its effectiveness for years, enhancing nighttime road safety.
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