Sublimation is a process of printing a design onto a special sublimation paper, then transferring the design onto a substrate such as a tumbler using heat and pressure. Here are the steps to sublimate a PNG design onto a 20oz tumbler:
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Choose a design: First, choose a PNG design that you would like to print onto your tumbler. Keep in mind that the design should be high resolution and sized correctly for a 20oz tumbler.
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Print the design: Print the design onto sublimation paper using a sublimation printer. Be sure to use the correct settings for your printer and paper.
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Prepare the tumbler: Clean the tumbler with rubbing alcohol to remove any dirt or oils. Make sure the tumbler is dry before proceeding.
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Tape the design onto the tumbler: Use heat-resistant tape to secure the design onto the tumbler. Be sure to position the design in the desired location.
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Heat press the tumbler: Set your heat press to the correct temperature and time for sublimating onto a tumbler. The exact settings will depend on the type of press you have and the material of the tumbler.
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Place the tumbler into the press and apply pressure for the specified time.
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Remove the tumbler: Once the time is up, remove the tumbler from the heat press and carefully remove the tape and sublimation paper.
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Enjoy your sublimated tumbler: You now have a custom-designed tumbler that you can use or give as a gift.
Remember to follow all safety precautions when using a heat press, and to carefully read and follow the instructions for your specific press and sublimation paper.