Yes, they can. At Guoweixing, we understand that polycarbonate is valued for its durability and clarity, which is why it’s popular in keyboard cases. However, with prolonged exposure to UV light, heat, and humidity, polycarbonate may gradually yellow. To help our customers preserve the quality of their keyboards, Guoweixing recommends minimizing direct sunlight exposure, regular cleaning, and storing keyboards in cool, dry places. Our polycarbonate products are carefully manufactured, and many come with UV-resistant coatings to reduce yellowing effects, ensuring your keyboard remains clear and robust for years.
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