The reasons why PVC covers offer better color performance compared to silicone come down to two key principles of optical physics:
- Higher Refractive Index: PVC has a refractive index of approximately 1.54, whereas silicone is lower at around 1.40. This higher index means PVC reflects and refracts light more efficiently, resulting in a significantly brighter and more “sparkling” visual effect that catches the eye.
- Superior Color Purity: During the curing process, silicone requires the addition of fillers (such as silica), which can create a slight internal cloudiness or “haze.” In contrast, PVC allows for excellent pigment dispersion. This enables the material to more faithfully reproduce the vibrant, punchy advertising colors that are essential for brand identity.
The OneZero Edge: Our manufacturing process at OneZero LED Lighting maximizes these optical properties. By using high-purity PVC resins, we ensure your neon signs achieve a high-gloss brilliance. If you want your customer’s logo to “pop” with true-to-life color, our PVC series is the professional’s choice.
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