| Wash |
A term meaning to affect colour or tint by adding saturation or chroma. |
| Wash Resistance |
The resistance of printed inks to washing in detergent solutions, without affecting its colour strength and adhesion. |
| Water-Based Inks |
Inks containing a vehicle whose binder is water soluble or water dispersible. Any ink in which the volatile portion of the vehicle is wholly or mainly water. |
| Weatherability |
The ability of a material to withstand the effects of exposure to weather conditions, significant change in physical or chemical properties. |
| Weathering |
The effect of atmospheric elements on a test subject when exposed out of doors in a natural environment or under environmental influences. Natural outdoor weathering tests are normally carried out at selected exposure sites, on printing panels, exposed either vertically or at 45o facing south in the Northern Hemisphere. |
| Web Fed |
Automatic feeding system whereby substrates or carriers are printed on a continuous roll. |
| Well side |
The side of a screen where the ink is and the squeegee is pulled across. |
| Wet on Wet |
A technique of printing whereby further impressions are applied before the previous impressions have dried and the composite film then dries as a whole. |
| Wet Scrub Resistance |
The ability of an ink to withstand scrubbing in contact with water. |
| White |
The result of combining the additive primary colours (Red, Green and Blue). |
| White Balance |
The balancing of colour components to create pure white when scanning a white object. A substitute for a colour temperature setting. |
| White Spirit |
A commonly used thinner for inks and varnishes. In the UK the term is applied to straight-run or blended petroleum hydro-carbons with a boiling range usually lying between 150C and 200C. |
| WYSIWYG (What You See Is What You Get) |
A monitor configured to represent the images displayed in a manner consistent with the desired printed result. Pronounced "wizzy-wig." |
