Gradual colour change in the original appearance of a P.S. label, characterized by the development of yellowish and brownish hues.
The discolouration of white finishes due to heat, ageing or smoke/fumes.
A yellow cast on any clear, white or light colored material due to aging, heat, cleaning etc. yeild strenght Less than the allowable stress to strain, the ratio of stress to strain where the value has dropped below maximum attainable stress. zinc Zn, a metallic element as used in the galvanizing of steel, cathodic protection.
The Yellow Discoloration That May Develop On Textile Materials During Processing, Use, Or Storage.
a discoloration that can occur over time in oil paintings due to excessive use of linseed oil medium; applying any of the varnishes that are prone to yellow with age; or most often – an accumulation of dirt embedded into the varnish.
Development of a yellow color or cast in white, a pastel, colored or clear finishes.
A condition of the finish whereby the film turns yellow or amber with age.
A term used to describe discolouration, very common in photographs and paper documents.
The tendency of a dried film to take on a yellowish cast with age.
Development of yellow color or cast, in whites, on aging.
The effect of yellow discolouration on oil paintings, usually caused by either excessive use of linseed oil when originally painted, through subsequent application of varnishes that are prone to yellow with age, or, most often, an accumulation of dirt embedded into the varnish.
Development of yellow colour or cast, in whites, on aging.
The development of a yellow colour on ageing; most noticeable in dried films of white inks or clear varnishes. A printed defect that occurs when ink dries prematurely in the printing areas of the etching. The formation of a powdery coating on the surface of an ink film, caused by disintegration of the binding medium, due to disruptive factors during weathering. The thickness, either real or apparent, of a dry ink or varnish film. 1) One of the three CIE tristimulus values; the blue primary. 2) Spectral colour matching function of the CIE Standard Observer used for calculating the Z tristimulus value. 3) One of the CIE chromaticity co-ordinates.