lightfast


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lightfast

Descriptive of paint or pigment which is color-stable when exposed to sunlight.
References in periodicals archive ?
Produced by high-temperature calcination process, pigments are nonbleeding, chemically inert, lightfast, weather-resistant, and heat stable.
Consequently we were not able to identify the chemical processes initiated by the ageing procedures of the lightfast test.
All pigments are lightfast and conform to ASTM D5098.
Ultra" Penetrating Very lightfast, stable dye stain can wipe on Stain--Dye Type wood, or mix with lac.
For coating industrial fabrics, non-woven materials and interlaced yarns in particular, the company has developed new grades of the thermoplastic polyurethane Desmopan that remain lightfast throughout the car's lifetime and can therefore by dyed any color.
The Art Portfolio Set, meanwhile, has six lightfast drawing pencils in varying degrees of hardness and darkness for all drawing techniques; six watercolor pencils that can be used wet for watercolor effects or dry for colored pencil drawings; 12 soft pastels in rich, opaque colors that are smooth and easy to smudge and blend; and an 8" x 10" pad of acid-free art paper.
Eight-color ink sets include Graphic Standard PLUS (GS PLUS) high-gamut indoor dye-based ink, Graphic Extend (GX) lightfast indoor dye-based ink, and Graphic Outdoor (GO) an indoor/outdoor pigment-based ink.
They are opaque and lightfast but are considered very bright.
Other customers require products which are lightfast, product resistant, are higher or lower in slip, scrubbable, etc.
Because Orna and Mathews found that the Byzantine organic pigments are not lightfast, for example, they've advised curators to display Byzantine manuscripts as little as possible.
This durability is delivered through the line's inherent stain- and scratch-resistance qualities, ease to clean and lightfast coloring.
Lightfast, antibacterial, and bleach cleanable, 100% polyester Parterre and its 100% polyolefin companion Element, a subtle texture, both exceed 70,000 double rubs (Wyzenbeek) for true beauty + performance.