Glossary

The PRINTING United Alliance Glossary serves as an excellent industry terminology resource. It is the language by which we all communicate. Without it, universal understanding would be impossible.

To keep our constituents well informed about changes to the increasingly complex industry terminology, PRINTING United Alliance has developed this glossary of terms. Definitions are for general reference only. Usage may vary between companies, individuals, or national and country customs. The information presented is as accurate as the authors and editors can ascertain and PRINTING United Alliance assumes no responsibility for the use of information presented herein.
  • Cobwebbing (angel hair)
    Fine filaments or strings resembling cobwebs that project at random from the edge of the ink or coating on the substrate.
  • Gel
    (1) A state or condition where an ink or vehicle demonstrates a semi-solid or jelly-like consistency; can refer to deterioration to an unworkable condition; (2) partially cured plastisol ink that is dry to touch, 79°-116°C (175°-240°F) but not completely cured, 135°-171°C (275°-340°F).
  • Gel point
    The stage at which gelatin begins to form into a semi-solid consistency.
  • Gelatin
    A glutinous protein type colloid used as coating for photographic film and screen emulsions.
  • Gelatin emulsion type film
    Any photosensitive film, or one that can be rendered photosensitive that is compounded to be water-soluable on a colloid base.
  • Gelatin stencil
    A screen printing stencil made from gelatin, colloid emulsion or film.
  • Silica aerogel
    An almost pure silica used as a bodying agent in ink.