September '19

For the Business of Apparel Decorating

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2 0 1 9 S E P T E M B E R P R I N T W E A R 3 7 improvements to silicone ink that may give you a longer print time, but due to the expense of silicone ink and the fact that the process is very different than plastisol, it has not proven to be a viable option for most printers to use. The last step to reduce your chance of bleed issues when printing onto polyester is ensuring that the garment has cooled before stacking or boxing the garments. This can be achieved by mounting fans to blow on the garments as they exit the heat tunnel to cool them down faster. Garments should be back down to room tem- perature before they are stacked and boxed. If you control the process to eliminate vari- ables, control temperature, and choose the right ink, you will maximize your success rate of print- ing on polyester, tri-blends, and any other gar- ment that may have a tendency to bleed. PW Aaron Blank is the vice president of Sales and Marketing Screen Products for Monarch Color Corpora- tion. Aaron has been in the ink industry for over 20 years, dedicating the last 10 years to textile printing. He has experience across multiple textile platforms; Dye Sublimation, Direct to Fabric pigment printing, and Screen Printing. Monarch Color Corporation is based in Charlotte, NC and manufactures Screen Printing Inks, Offset Inks, and Flexographic Inks. Above: Temperature is crucial when using athletic inks and apparel to avoid scorching and bleeding. Below: For those decorators that have short dryer tunnels and/or inconsistent heat control, temperature control can be a real challenge. You must keep your oven temperature below 300 degrees F and adjust your belt speed to give your printed garment enough dwell time in the oven for proper cure.

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