Screen Printing 101 - Can you burn a screen using the sun?

In this video, we dive into the fascinating world of screen printing, focusing on an intriguing question: Can you use sunlight to burn a screen? Screen printing is a popular method for creating designs on various materials, and understanding the exposure process is crucial for achieving high-quality prints.

The Science Behind Sunlight Exposure.
Sunlight contains ultraviolet (UV) rays that can initiate the chemical reaction needed to harden the emulsion on your screen. In theory, yes, you can use sunlight to expose your screen. However, there are several factors to consider:

Intensity of Sunlight: The effectiveness of using sunlight depends on its intensity. Direct midday sun will provide stronger UV rays compared to early morning or late afternoon light.

Exposure Time: Unlike traditional exposure units that allow for precise control over time and distance from the light source, using sunlight requires careful timing. Too little exposure may result in underexposed areas that won’t wash out properly, while too much can lead to overexposure.

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