Luminous paint is a special type of coating that glows in the dark, often used for safety indications and decorations. To achieve the best effect with luminous paint, it's usually necessary to apply a layer of white primer first. Here's an explanation of why this step is so important.
Firstly, a white primer enhances the glowing effect of luminous paint. White reflects light well, so when luminous paint is applied over a white primer, it absorbs more light and glows brighter. This is similar to how wearing white clothing at night makes you more visible than wearing dark colors.
Secondly, luminous paint is relatively transparent and has poor coverage. If the color beneath is dark or varied, it will show through the luminous paint, affecting the appearance and glowing effect. A white primer can cover the underlying colors, ensuring that the luminous paint looks more uniform in color and brightness.
Moreover, white primer helps in checking whether the application of luminous paint is even. The stark contrast between white and the luminous paint makes it easier to spot and correct any uneven areas.
Additionally, white primer can enhance the adhesion and durability of luminous paint. The primer forms a solid base, allowing the luminous paint to stick better to the surface and be less likely to peel off due to wear or other factors.
Finally, using a white primer also improves the overall aesthetics. Even when not glowing, having a white layer underneath can make the luminous paint appear more vivid in color and improve the overall effect.
In summary, white primer is crucial for luminous paint. It not only makes the glowing effect better but also improves coverage, ensures even application, enhances adhesion and durability, and improves the overall look. Therefore, applying a white primer before using luminous paint is a worthwhile step.