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Can reflective powder be exposed to the sun? How high can it be?

19 Jul 2023

Reflective powders, also known as retroreflective powders, are materials composed of tiny particles with the ability to reflect light back towards its source. These powders are commonly made of glass microbeads or specialized materials coated with metallic or dielectric coatings.

Sun exposure resistant Reflective powder

Reflective powders are generally resistant to sun exposure because they are designed to reflect light. Conventional reflective powder can be applied to clothing, reflective signs, and even road markings. Because of the characteristics of high temperature resistance and sun resistance of reflective powder, it is an excellent choice for road markings.

These reflective powders are often combined with road paint or thermoplastic materials to create highly visible and reflective road markings.

Sun exposure resistant Reflective powder

The principle behind its effectiveness lies in its retroreflective properties. When headlights or any other light source illuminate road markings containing these reflective powders, they reflect light back to the source, making the markings appear bright and easily visible even in low-light, even dark conditions.

Even with constant sun exposure, they remain reflective, ensuring road markings remain visible and safe to drivers both day and night.

High temperature resistance reflective powder

Regarding the high temperature resistance of reflective powder, it also needs to be determined according to the specific product type and manufacturing process. Generally speaking, the high temperature resistance of reflective powder is about 220 degrees Celsius, but the specific high temperature resistance may vary. If you need to use reflective powder in a high temperature environment, please refer to the product description or consult the manufacturer for accurate information.

Overall, reflective powder is effective at resisting sunlight, making it a reliable and widely used road marking material. They are able to reflect light back to the source of light, providing drivers with clearly visible markings, thereby increasing road safety, helping to improve road navigation and reducing accidents.
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