Ulano Indirect Films
All Indirect System Photographic Films consist of a light-sensitive emulsion
affixed to a transparent base, or backing sheet, with special adhesives.
Indirect Films are exposed, developed (except Ulanolux UP3), washed out
and then adhered to a screen. Indirect films offer superior fine detail
reproduction; sharp printing edges; uniform stencil thickness; predictable
standardized exposures; close control of stencil thickness, hence ink
deposit; fast and simple stencil production; and easy stencil removal
for efficient fabric recovery. All Ulano gelatin-based Indirect Films
are totally solvent resistant. The topcoat on Ulano Indirect Films prevents
tackiness under conditions of heat and high humidity.
Blue Poly-2 A blue, medium thickness emulsion on a 2-mil optically
flat polyester backing. Combines wide exposure latitude with excellent
resolution. Ideal for general screen printing work. Resolution: 75 -
100 microns (3 - 4 mils).
Blue Poly-3 A blue, medium thickness emulsion on a 3-mil optically
flat polyester backing. Same as Blue Poly-2, except for the thicker
backing, which affords additional dimensional stability and easier handling
of large stencils. Slightly less resolution than Blue Poly-2. Resolution:
87 - 112 microns (3.5 - 4.5 mils).
Hi-Fi Green A green, thick emulsion on a 5-mil matte vinyl backing.
Ideal for general printing applications. Hides dust, tape marks, and
positive edges very well, reducing the need for touchups. The vinyl
support imparts a slightly irregular surface to the stencil bottom,
allowing easy lift off when printing on smooth surfaces under humid
conditions. The thick support facilitates the handling of large format
stencils. Resolution: 125 - 150 microns (5 - 6 mils).
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