A Polycarbonate Sheet Able to Resist UV Degradation and Self-Heal | AGC
AGC (Headquarters: Tokyo; President: Takuya Shimamura) has developed CARBOGLASS™ LF a polycarbonate sheet with remarkable weather-resisting and self-healing properties. Mass production of the product is scheduled to begin in 2019 with sales aimed at noise barriers, fences and other various outdoor installations.
Due to its excellent transparency and durability, polycarbonate is used in several applications such as protective fences and highway noise barriers. However, it also has a drawback, namely that exposure to ultraviolet (UV) rays causes it to degrade (i.e. brittleness, fading). Weatherproof-grade products that incorporate a protective layer of UV absorbing compound on the surface are also sold, but these products deteriorate after long-term exposure to UV rays, eventually degrading to a point where UV rays reach the polycarbonate.
In contrast, the newly developed CARBOGLASS™ LF including Lumiflon®*1 as a coating resin*2, which is an ultra weather-resistant fluoropolymer resin developed by AGC that extends life of coated materials. This realizes the following benefits:
- UV absorbing compound remains intact even after long-term exposure to UV rays, thereby maintaining the product’s durability and transparency over the long-term
- Provides self-healing properties that repair small scratches as time passes
- Does not develop surface cracks even when heat-bent, opening up more possibilities for design shapes
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