Q
how long does photo emulsion need to dry
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The drying time for photo emulsion can vary based on factors such as the emulsion type, thickness of the coat, humidity, and airflow in the drying environment. Typically, it takes about 1-2 hours for the emulsion to dry when spread in a thin, even layer under optimal conditions. In humid climates or when applying a thicker coat, this process can take longer, requiring up to overnight drying. To ensure a faster and more even drying process, it's recommended to dry the screen in a dark, warm room with good air circulation but without direct air blowing onto the screen, as this can cause uneven drying or dust to stick to the emulsion.
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