colourfastness BrE
colorfastness AmE

In general, clothing should be tested for colourfastness before using bleach or other cleaning products.

Check for colourfastness on the underside hem or seam allowance.

Olefin's advantages are its strength, colourfastness and comfort; its resistance to staining, mildew, abrasion and sunlight; and its good bulk and cover.

Documented records reveal that the traditional weavers perfected the art of quality dyeing and that woven fabric from here was known for its colourfastness and vivid patterning.

"But back then it wasn't robust in terms of colorfastness or water resistance.

If the piece is made of fabric dyed in different colors, each color should be pretested for colorfastness.

After beating the rug, test for colorfastness.

Test it for colorfastness by soaking a corner with warm water and wiping it with a white paper towel.

Test fabric for colorfastness.

Close attention is paid to variations in the polyester filament yarns it uses: tenacity, lubricity and colorfastness are crucial characteristics.

Because the color pigments become a part of the fiber, solution dyed materials have excellent colorfastness to light, washing, crocking (rubbing), perspiration, and bleach.

Initially, the cooperative used dyes derived from bark and berries, but Manos now blends its own commercial dyes to guarantee colorfastness as well as consistency.

Before soaping any carpet or rug, test a hidden corner first for colorfastness - a white cloth will pick up dye from the sudsed area if it isn't colorfast.

Solution dyeing is used for difficult-to-dye fibers such as olefin fibers, and for dyeing fibers for end uses that require excellent colorfastness properties.

They analyzed the tapestry, from its yarn content to the colorfastness of its dyes, and determined the pH balance, purity and temperature of the water in which it would be washed.

This means that nylon 6,6 is difficult to dye, but once dyed it has superior colorfastness and is less susceptible to fading from sunlight and ozone and to yellowing from nitrous oxide.