It is found that the photofading reactionof dyes is related to the structure of dyes and amines,and the concentrations of dyes,amines and monomer,In different concentrations of reactants,the photofading reactionof methylene blue is conformed to the first order reaction,Relation of thepolymerization rate( R)to the photofading rate(Rf)is rather complex, In someconditions,they are in coincide.
聚合速率（Ｒ＿ｐ）与染料的褪色速率（Ｒ＿ｆ）有效复杂的关系，在一定条件下符合Ｒ＿ｐ∝Ｂ１／２关系。
These sunproof curtains will not fade .
这些耐晒的窗帘不褪色。
Retaining color, freshness, value, or usefulness.
不褪色的保持颜色、鲜艳、价值或用途的
Fastness: Resistance of colour to fading.
不褪色度:防止颜色扁担的抗力。
These shirts should be fast-dyed.
这些衬衣应该用不褪色染料染。
Would you like to try this color-fast lipstick?
您想试用一下这种不褪色唇膏吗?
Especially, the floor also is easy-cleaning, not-fade and wearable.
特别是该地板易清洗，不褪色且易安装。
This advanced dyeing technology can make the products unfading.
这种先进的印染技术，使产品永不褪色。
Yes, we'll use water-proof, indelible paint.
我们将使用防水、不褪色的涂料。
Are you using indelible paint?
你们是否使用不褪色的涂料？
an indelible ink for marking clothes or linens etc..
布料上做标记用的不褪色墨水。
They developed a fast dye.
他们研制了一种不褪色的染料。
Unfading materials give people a feeling of lasting freshness.
永不褪色的面料，给人以常新的感觉。
We guarantee the fastness of these dyes.
我们担保这些颜料不褪色。
These colours are in grain.
这些颜色经久不褪。
This is a fast colour.
这是一种不褪的颜色。
The colour in this silk material will not fade.
这种绸布料子不会褪色。
Sorry, colors are washed off.
对不起，有点褪色了。
"Resistant, as to destruction or fading"
不易毁坏或褪色的.