Difference Between Heat Transfers & Print Screen Processes
The difference between heat transfers and designs printed with a print screen is in the application process. Heat transfers are pre-printed and are applied to cloth goods, typically T-shirts, with a heat press. Items decorated with a print screen, through the screen printing process, are printed directly onto the item.
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Print Attributes
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Screen printed transfers use the same ink as direct printing on the transfer paper, and are designed to give the look and feel of direct printing. Direct screen printing has traditionally enjoyed superior durability, but with improvements in heat transfer machines and materials, modern screen printed transfers can last just as long with proper application.
Quantity Printing
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Transfers are a great choice for print-on-demand items, such as those used for sports teams and souvenir use. Transfers may be ordered in bulk quantities and applied on an as-needed basis. Direct screen printing requires press and screen set-up for each job, and requires multiple units to be printed to be cost effective.
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Specialty Transfers
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Modern transfers can also be printed using ink-jet and laser printers. These transfers are used for photographs and other gift items, where only one or two items is needed. Because of the nature of the screen print process, printing one item, especially photographs and other multi-color images, is extremely expensive.
Equipment
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A small transfer shop can be set up easily with a modest investment in equipment and minimal training. Screen printing shops require an investment of many thousands of dollars, plus extensive training and experience.
Environmental Differences
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The only byproduct of transfer printing is the used transfer paper, which can be recycled. Screen printing produces chemical waste with inks and cleaners, emitting VOCs (volatile organic compounds) into the environment. Most screen printing shops are regulated by the EPA.
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References
Resources
- Photo Credit Image by Flickr.com, courtesy of THOR
