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Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
Screen printing is by far the most common technology today. Two types exist: rotary screen printing and flat (bed) screen printing. A blade (squeegee) squeezes the printing paste through openings in the screen onto the fabric.
Similarly, spray powder is not generally used in sheet-fed (silk) screen-printing, ink-jet or toner based digital printing. In the UK, many Carrom players use a version of anti-set-off spray powder from the printing industry [citation needed] which has specific electrostatic properties with particles of 50 micrometres in diameter.
The essential tools required are a squeegee, a mesh fabric, a frame, and a stencil. Unlike many other printmaking processes, a printing press is not required, as screen printing is essentially stencil printing. Screen printing may be adapted to printing on a variety of materials, from paper, cloth, and canvas to rubber, glass, and metal.
Substrate is used in a converting process such as printing or coating to generally describe the base material onto which, e.g. images, will be printed. Base materials may include: plastic films or foils, release liner; textiles, plastic containers; any variety of paper (lightweight, heavyweight, coated, uncoated, paperboard, cardboard, etc ...
Citing the pioneering efforts of artist Anthony Velonis, who initially spearheaded the use of the silk screen technique in the Poster Division of the W.P.A., for recognizing the possibilities of the medium, Warsager noted that the 'economy and ease of this process enabled the artist to employ sixteen to twenty colors to a print, whereas color ...
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