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GTXpro Bulk Daily Operations Guide [H]

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3 > Proper pretreat volume for a garment should be determined by a garment's absorbency rate in conjunction with using the Highlight-Mask Check Pattern to help determine driver ink settings. %+VU»[MVYNL[[OH[`V\OH]L[VKLÄULHZ\YMHJLVM14 X 16 inches [35 X 40 cm] with your pretreatment ma- chine to weight the amount of spray, with a scale, after applying the pretreat on a T-shirt. > For example, on a Schulze pretreat machine, you should enter a length of 13 inches and the full width of 4 nozzles will be 17 inches. And then, calibrate the pretreat machine to spray 30 g on the garment. 1:1 Mixed Pretreat Solution High Absorbency Fabric Absorbency Pretreat Amount 40-50 Grams Medium Absorbency 30-39 Grams Low Absorbency 15-29 Grams Thick materials or open weaves like hoodies Regular Cotton Tees 4.0 to 6.0 oz Thin Material + Blend or Specialty Items Determining Pretreat Quantity 7YL[YLH[ZVS\[PVUX\HU[P[`^PSS]HY`IHZLKVU[OPJRULZZVM[OLNHYTLU[ Conveyor Dryer recommended for high volume printers. See heat press settings below as an alternative. > Check the REAL temperature with a probe or with strips to ensure proper washability of the print. Conveyor Dryer Pretreat Curing Conveyor Dryer Ink Curing 1:45 Minutes 3:30 Minutes 320°F 160°C 320°F 160°C > Placing silicone based parchment paper over the pretreated garment while heat pressing can mitigate dried pretreat buildup on the non-stick covers. Clean the non-stick covers on the heat press with a scrap t-shirt or cloth after every 5 t-shirts if not using silicone based parchment paper.

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