Silk screen printing process, by Biegeleisen J. I. (Jacob Israel) 1910-

Author:Biegeleisen, J. I. (Jacob Israel), 1910-
Language: eng
Format: epub
Publisher: New York, London, McGraw-Hill Book Company, inc., 1941.
Published: 1941-03-25T05:00:00+00:00

The iron should not be permitted to become too hot; it should be just hot enough to make the shellac stick to the silk, but not so hot as to make the shellac stick to the iron. A piece of wrapping paper should be kept between the iron and the screen. To make sure that all parts adhere properly, the operator should follow the iron as it is moved over the screen, pressing the ironed surface with a soft, lintless cloth held in his left hand.

Now to adhere the centers: turn the frame over and temporarily place on the stencil those parts that were cut out and saved. This makes it easy to determine exactly the correct positions of the centers. Without moving the frame, the operator adheres the centers in position by lightly touching them with the point of the iron. The frame is then turned back and the centers are finally ironed on. The stencil is ready for use when the cut parts are removed.

After completion of the printing, the stencil may be removed by the liberal use of denatured alcohol or paint remover.

Lacquered-paper Stencils. —Lacquered-paper stencils are prepared in the same way as those made with shellac, except that lacquer, instead of shellac, is applied to the tracing paper.

Adhesion to the screen is accomplished in the same way as for shellacked-paper stencils except that a cloth, moistened with lacquer thinner, should be rubbed over the screen, as in the case of lacquer film.

After use, lacquer thinner is used to remove the stencil from the screen.

Glue-paper Stencils. —A thin paper, gummed on one side, is used in making glue-paper stencils. This gummed paper may be obtained from paper firms or from screen-supply houses.

The stencils are adhered by first moistening the silk with a damp rag; then lowering the screen on the stencil; then by applying a hot iron over a water-dampened cloth spread

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