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The
Screen - A boxlike frame over which a fine fabric mesh
is stretched. The screen can be hinged to a flat printing surface. The
Squeegee - Generally a thick rubber scraper which pushes
the ink through nylon
or silkscreen mesh onto the paper below. Screenprinting
ink - Most commonly used for fine art prints are Naz-Dar
5500 oil based poster inks. The colors are vibrant and dry to a
flat surface. Block
out stencils -
Soft painterly effects can be created by painting liquid
glue or commercial block out fluid directly onto the fabric to create
a stencil. Cut
Film Stencils - Allows for sharp clean edges by cutting
a prepared film material and fusing it to the screen fabric. Photographic
Stencils - The screen is coated with a light sensitive
photographic gelatin. A film negative is placed in contact with
the screen and exposed to light. The exposure to light causes the
gelatin to harden wherever it is protected by dark areas of the
film negative. After the exposure the soft unexposed gelatin can
be washed away, leaving the hardened gelatin on the screen to serve
as a stencil. Tusche
stencils - a greasy material called tusche is painted
directly on the screen. After it dries, water base glue or block
-out fluid is thinly spread across the screen. After the blockout
dries, the tusche is cleaned out of the screen with mineral spirits,
leaving a stencil behind. If you are interested in learning more about screenprinting, Bill Mitchell offers classes. Please call or e-mail for more information.
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