Color: Normal color, non-yellowing, Free from live insects and mould.
颜色：正常，不发黄，无霉变，无虫蛀，无害虫。
The results show that the compound is excellent in yellowing resistance but poor in washability.
结果表明这类化合物是一种防泛黄效果好、但不耐洗的防泛黄抗氧剂。
The results show that the compound is excellent in yellowing resistance but poor in washability.
结果表明这类化合物是一种防泛黄效果好、但不耐洗的防泛黄抗氧剂。
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