The Secret to a Smooth Surface

July 14, 2016 at 5:00 am 1 comment


Mat-Down Screen with “grease”

Ever wonder how that multi-color print can feel so soft?  One of the secrets the printer used may be an extra screen.  Here is Kieth Stevens with a tip, recently published in Impressions, on how it’s done:

Many printers use what is often called a “mat-down” screen to give their finished products a smooth or soft-hand feel.

This additional screen helps to mat down fibers in the garment and can help with fibrillation issues. Generally, a mat-down screen is used for printing on dark fabrics when a smooth or soft-hand print is desired, but it also can be used when printing on a white or light fabric to help with fibrillation issues.

For light fabrics, clear gel (such as the Sentri Clear 3816) can be used to mat down the fibers, and for dark fabrics, white ink is typically used as an underbase.

Here’s how it’s done:
– Coat a 160-mesh (or higher) screen with emulsion. Be sure the emulsion is smooth without any bubbles or blemishes and the tension of the screen is very tight. The resulting smoothness of the print will mirror the smoothness of the screen.
– Expose the screen (devoid of any image).
– Now, add the blank screen after the initial flash of the white or clear underbase, but before the next print screen. Extra off-contact will be required to help peel the screen away from the printed image.
– Use a hard squeegee.
– Next, add a dab of “grease” such as White Lithium Grease, an all-purpose lubricant, to the screen. The grease is used as lubrication so that the squeegee moves easily across the screen. Regular plastisol ink can be and is often used for lubrication; however, the grease will not harden over time as ink is likely to do when exposed to prolonged heat.

Now comes the “hard” part. For best results, mat-down printing must be done quickly after the flash, while the white is still in a gel state. Do not over-flash the white underbase, as this will otherwise increase the hardness of the ink, thus reducing the desired effect.

Be sure to practice the timing of the flash and mat-down screen printing. If not timed correctly, the ink can stick — either when it’s under- or over-cured.

Adding a mat-down screen creates a smooth ink surface and mats the fabric fibers down. This, in turn, can give an overall print an incredibly soft hand.

Kieth Stevens is the Western regional sales manager for International Coatings. He has been teaching screen printing for more than 10 years and is a regular contributor to International Coatings’ blogs. For more information, visit

International Coatings manufactures a complete line of non-phthalate screen printing inks, including a wide variety of whites, specialty inks, special effects inks, color matching systems, additives and reducers. For more information on our products, please visit our website at


Entry filed under: General, How-To, Printing Tips. Tags: , , , , , , , , , , , , , , , , , , , , , , .

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