Screen printing or silk-screen is a printing process in which the ink is poured - by the pressure of a squeegee or handle - through a prepared screen.
The screen (serigraphic matrix), usually made of polyester or nylon, is stretched in a wooden, aluminum or steel frame (frame).
The "recording" of the screen takes place through the photosensitivity process, where the matrix prepared with a photosensitive emulsion is placed on a photolith, this set of matrix + photolith being placed in turn on a light table. The dark spots of the photolith correspond to the places that will be hollow on the canvas, allowing the paint to pass through the fabric web, and the light spots (where the light will pass through the photolith reaching the emulsion) are waterproofed by the hardening of the photosensitive emulsion that was exposed to light.
It is used in printing on various types of materials (paper, plastic, rubber, wood, glass, fabric, etc.), surfaces (cylindrical, spherical, irregular, light, dark, opaque, shiny, etc.), thickness or sizes, with different types of paints or colors. It can be done mechanically (by people) or automatically (by machines).
Serigraphy is characterized as one of the engraving processes, determined by planographic engraving.
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