Drying of the shirt
Shown is the M&R electric dryer.
After the shirt is printed we place it on the dryers moving belt. The temperature inside the dryer is about 980 degrees. The shirt will only stay inside of its dying chamber for about 37 seconds. Enough to heat the shirt and ink to about 350 degrees.
There is usually one more person on the other end of the dryer for quality control and folding.
Screen Printing ink consist of four major components. Pigment, (for the color). Oil (for the base). PVC's and Plasticizers. When heated to 330 degrees, The oil evaporates and the plasticizers turn the PVC into plastic.
Yes, That print on your shirt is a thin coat of plastic bonded to the fabric of your shirt.