Saturday, October 3, 2009

Screenprinting materials

Plastisol
the most common ink used in commercial garment decoration. Good colour opacity onto dark garments and clear graphic detail with, as the name suggests, a more plasticized texture. This print can be made softer with special additives or heavier by adding extra layers of ink. Plastisol inks require heat (approx. 150°C (300°F) for many inks) to cure the print.
Water-Based inks
these penetrate the fabric more than the plastisol inks and create a much softer feel. Ideal for printing darker inks onto lighter coloured garments. Also useful for larger area prints where texture is important. Some inks require heat or an added catalyst to make the print permanent.
PVC/ Phalate Free
relatively new breed of ink and printing with the benefits of plastisol but without the two main toxic components - soft feeling print.
Discharge inks
used to print lighter colours onto dark background fabrics, they work by removing the dye in the garment – this means they leave a much softer texture. They are less graphic in nature than plastisol inks, and exact colours are difficult to control, but especially good for distressed prints and underbasing on dark garments that are to be printed with additional layers of plastisol.
Flocking
consists of a glue printed onto the fabric and then foil or flock (or other special effect) material is applied for a mirror finish or a velvete touch.
Glitter/Shimmer
metallic flakes are suspended in the ink base to create this sparkle effect. Usually available in gold or silver but can be mixed to make most colours.


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