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screen printing
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Silk screen printing has its origins in Japanese stenciling. It has since been used by artists and designers like William Morris, Andy Warhol, Rauschenberg and Hamilton.

It was introduced in India as a cheaper alternative to block printing.

fixing the fabric

The silk screen is a wooden or aluminum frame with a fine nylon or silk mesh stretched over it. The mesh is coated with a light sensitive emulsion or film, which - when dry - will block the holes in the mesh. The image that needs to be printed is output to film either by camera or image-setter. This film positive and the mesh on the screen are sandwiched together and exposed to ultraviolet light in a device called a print-down frame. The screen is then washed with a jet of water which washes away all the light sensitive emulsion that has not been hardened by the ultraviolet light. This leaves you with an open stencil which corresponds exactly to the image that was supplied on the film.
underneath the wax table screens

Next the fabric to be printed is pinned on a wooden table so that it is evenly stretched and there are no ripples.

Alternatively a wax table is used. The surface of the table is covered with wax. Below there are a network of pipes through which steam is passed. This causes the wax to soften and the fabric is just firmly pressed on to the table.

The wooden frame of the screen is fitted with metal handles which will fit onto to corresponding wooden protrusions on the table. This is to aid placement, when two or more colors are being used.

pouring the dye The dye is poured on the screen (usually pigment dye mixed thickly).
spreading the dye

A rubber blade with a wooden handle is firmly pulled across the top of the screen; it pushes the ink through the mesh onto the surface of the fabric which is being printed. Another person stands at the other side of the table. He takes hold of the rubber blade and repeats the process.

 

 

  the print

Since the nonprinting areas on the silk screen are blocked out, the ink is pushed through only the porous areas corresponding to the design and is thus transferred to the fabric.

If more colors are used, the process is repeated with another screen and color.

washing the screen

The screen is always washed with a lot of water immediately after use. If this is not done, the dye dries on the screen and clogs up the design.

The fabric is dried and steamed as with the block printing process.

back to block printing

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