colourfast

coloured bagging render is colourfast , uv resistant, simple to apply and gives a strong durable surface.

彩色袋装抹面砂浆不掉色，抗紫外线，易施工，经久耐用。

this material won't fade. ; this material is colourfast.

这种料子不掉色。5.Advanced plating technology on the lock surface, durable and colourfast;先进的门锁表面电镀工艺，经久不褪色；

This material is colourfast.

这种料子不掉色.

but i'm not sure whether the silk will be colourfast or not.

但我没把握丝绸衬衣退不退色。

This material won't fade.; This material is colourfast.

这种料子不掉色。

this black page in history is not colourfast,

这记忆中的黑暗已经无法再被淡化

Will this cloth fade? or is this cloth colourfast?

这种布退色吗？

polyesters are strong, colourfast, and resistant to corrosion and chemical attack but tend to build up a static electric charge.

聚酯很坚韧、不褪色、耐腐蚀和抗化学作用，但容易积累静电。