Its coatings have excellent mechanical properties, best resistance to yellowing, and good fastness to solvents and water.

它的涂层具有优异的机械性能和耐黄变、耐有机溶剂和水。

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The main ingredients are double constituent polyurea. It has advantage areas such as good adhesive, elastic, abrasion-resistance and resistance to yellowing etc.

其主要成份为双组份聚脲，具有附着力强、弹性好、耐磨性能优良、耐黄变性能优异等特点。

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A paper storage rating is based on testing each paper for its resistance to yellowing over time using accelerated tests incorporating high temperature and high humidity.

纸张的保存率是基于测试每种纸张通过加速高温和高湿环境对变黄的阻碍率。

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