Glossario

Calendered screen printing mesh

One or double sided flattened screen printing mesh in order to reduce the ink volume.It is especially used for UV inks. SEFAR PET 1500 OSC are one side calendered.

Calendering

A process by which fabric or wire is passed through a pair of heavy rollers to reduce thickness, to flatten the intersections of the threads/wires and to control air permeability. Rollers are heated when calendering synthetic materials.

Capillary film

Backing film coated with emulsion

Closed weave

Fabrics constructed such that, when viewed at right-angles to their surface, the spaces between the interwoven fibers are not visible. Closed weave fabrics tend to be thicker and stiffer than open weaves.

Copy

Exposing the photosensitive layer (emulsion) to UV light. The uncovered areas will harden and become water insoluble.
The unexposed areas remain water soluble and can be washed out with water.

Copying unit

For exposure of the stencil. UV light sources should have an emission spectrum peak in the range of 350 to 420 nm.

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