Page 19 - SCREEN PRINTING FOR BEGINNERS
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Screens are best stretched with Dyed mesh will reduce the
the warp and weft directly refraction and light travel because
horizontal and vertical, with the dyed mesh reduces the travel of
warp running in the direction of ultraviolet light. Exposure times for
the squeegee stroke. The warp dyed mesh will be 50 to 100%
threads will be able to hold 5 to longer. Dyed mesh is the best
15% more tension (Fig. 10) choice for detail and stencil
Mesh fabric is available in a sharpness. (Fig. 13)
calendered form. Calendered Monofilament polyester mesh is
mesh is a product with one or available in several thread
both sides flattened at their diameters and mesh opening
highest point in the weave to choices for each mesh thread count.
reduce fabric thickness and create Standard monofilament polyester is
a level profile. (Fig. 11) Calendered joined by the low-elongation (LE)
mesh has reduced open area in mesh fabrics. Low elongation mesh
the diameter thread available and provides higher tension levels and
is unneeded for typical textile has the ability to maintain stable
printing. tension for longer print use.
Monofilament polyester mesh is
available in white and dyed. The
white mesh will refract light past
the stencil edge while exposing
and will transmit the light along
Fig. 11 Calendered mesh
the white threads in the same way
fiber-optic threads will, the light
transmission causes undercutting
of the stencil. (Fig. 12).
Fig. 12 Monofilament polyester mesh
Fig. 10 Stretch screens with the warp running Fig. 13 Dyed mesh
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the direction of the squeegee stroke