他好像被皮革迷住了，经常做试验把衣服放在紫外线灯下，直到料子经受疲劳，开始褪色。

Leather seemed to fascinate him and he often experimented with leaving clothes under a sunray lamp until the material suffered fatigue and the colors started to fade.

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试验发现，匀染剂AR有良好的助溶性，可使各拼色染料同步上染，若作为剥、褪色用剂，色光变异小。

Experiments show that leveler ar has good solubilizing power, and can match with various dyestuffs. As a stripping agent, it cause little color change.

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用以对照判定染色坚牢度试验后﹐试片及附布变褪色或染污之程度。

Contrast and judge the fading and or dirty degree of colored specimen after firmness of dyeing test.

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