Dirasol Photographic Emulsion

Dirasol Photographic Emulsion

A two-part emulsion for photographic stenciling.

Dirasol 25 is specially formulated for printers of T-shirts, sports and fashion wear, using water-based inks.

All handling of Dirasol emulsions should be carried out in a light of low blue and ultra-violet content.

Use yellow or weak tungsten illumination.

Hand coating the screen:

Stand the screen on edge slightly inclined away from the operator and process the screen as follows:

Apply one or two coats, wet on wet, on the print side of the screen and then apply extra coats on the squeegee side of the screen depending on the stencil build required.

Dry the screen in a horizontal position, sqeegee side up, in darkness.

Store in the dark at cool temperatures prior to exposure.

Exposure:

50 Amp Open Carbon Arc at 120cm.  665-810 seconds

or HPR 125W Mercury Vapour Lamp at 50cm. 370-430 seconds

Developing:

Place the screen in a sink and gently spray both sides with cold or warm water (not above 40C)

After 1-2 minutes ease spray pressure.

Continue developing till all parts of the image are clean and sharp.

Dry the stencil with warm air.