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The other two methods are sublimation and heat transfer. Of the three types of t-shirt printing processes heat transfer is the easiest. Heat transfer is quicker than screen printing the final product may not last as long.

Screen-printing

This form of t-shirt printing is done with mesh screens and inks that are specially treated with a chemical that will allow an image to be burned into the shirt. The screen is coated with a substrate that will harden when exposed to light. The image is printed on a transparency that can be placed on the screen and then it is exposed to light. This causes the exposed substrate to harden and what is hidden by the transparency will stay soft. You can wash the soft substrate away and produce an image on the screen. Now you place the screen on top of the t-shirt. Ink will then be pressed through the opening in the substrate that is hard by using a squeegee. The investment is minimal in equipment. You can reuse the screens by washing them and then re-coating them with more substrate to burn another image.

Heat transfer

You can put transfers on any color t-shirt if you want but white t shirt printing-shirts are the best. It is a quick method of printing as you use a pre-made transfer design. You just heat the transfer and apply it to the shirt.

Sublimation

Of all the t-shirt printing options, this is the longest lasting and quickest methods. The ink used in printing is heated in such a way that it turns to gas. It is then transferred to the fabric.