TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SCUMMING [5 records]

Record 1 2004-06-18

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
CONT

Printers have always been plagued by ink/water balance problems in conventional offset printing. Variations in this ink/water balance can cause emulsification of ink and lead to inconsistency in color, longer drying times, streaking problems as well as scumming and plugging of halftones.

Key term(s)
  • ink-water balance
  • ink water balance

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
OBS

Les qualités requises pour obtenir une bonne impression sont : [...] une certaine perméabilité. Cette dernière est très importante, car l'impression offset est basée sur l'équilibre encre/eau. Si l'eau pénètre trop dans la feuille, le papier se déforme [...]

Key term(s)
  • équilibre encre eau

Spanish

Save record 1

Record 2 2002-08-27

English

Subject field(s)
  • Glues and Adhesives (Industries)
  • Lithography, Offset Printing and Collotype
DEF

A gum arabic solution used to coat a lithographic plate at the end of its preparation, also before storage or during a stoppage on the press. The protective coating helps to prevent scumming, i. e. to desensitize the non-image areas of the plate, and make them ink-repellent.

French

Domaine(s)
  • Colles et adhésifs (Industries)
  • Lithographie, offset et phototypie
DEF

Solution de gomme arabique utilisée pour recouvrir une plaque offset lors de l'entreposage ou lors d'un arrêt de la presse.

Spanish

Campo(s) temático(s)
  • Pegamentos y adhesivos (Industrias)
  • Litografía, offset y fototipia
Save record 2

Record 3 1998-03-05

English

Subject field(s)
  • Lithography, Offset Printing and Collotype
DEF

A lithographic term referring to the press plate picking up ink in the non-printing areas for a variety of reasons; basically due to spots or areas not remaining desensitized.

OBS

Filling in of halftone dots, spreading of image and streaks are often caused by scumming.

French

Domaine(s)
  • Lithographie, offset et phototypie
DEF

Empâtement des reports offset, c.-à-d. adhérence anormale de l'encre sur les parties non imprimantes de la plaque offset souvent causée par une encre trop poisseuse ou par un manque d'humidité sur la plaque.

Spanish

Save record 3

Record 4 1996-04-24

English

Subject field(s)
  • Ovens and Baking (Ceramics)
  • Earthenware
CONT

Efflorescence.... This fault appears as a white scum on unglazed redware and bricks. It may be obviated by the addition of a small quantity of barytes to the clay during preparation....

French

Domaine(s)
  • Fours et cuisson (Céramique industrielle)
  • Faïences

Spanish

Save record 4

Record 5 1975-03-11

English

Subject field(s)
  • Paints and Varnishes (Industries)
  • Construction Finishing
OBS

--white deposits of undecomposed alcaline chlorides (or other salt) brought to the surface of an enamel by the humidity of the air.

French

Domaine(s)
  • Peintures et vernis (Industries)
  • Finitions (Construction)
OBS

on désigne sous le nom d'-- (ou quelquefois --) des pellicules superficielles blanchâtres plus ou moins cristallisées. Elles sont dues le plus souvent à la cristallisation de sels dissous

Spanish

Save record 5

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