I'm also concerned about their wet strength and water resistance.

我也想了解罩炮的防渗强度和抗水性.

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Waterproof offset coated paper is required to have good waterproof property, wet strength and printing property.

在此条件下, 可生产出既有一定抗水性和湿强度,又有较好适印性的防水铜版原纸.

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The repulping of wet strength waste papers containing epoxy wet strength agents is difficult.

使用了环氧类湿强剂的湿强废纸存在再制浆困难的问题.

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Applying PAE, CMC and APAM in appropriate proportion, the paper wet strength increases obviously.

适量的湿强剂PAE与助留剂CMC和APAM以适当的配比共用, 能明显提高纸张的湿强度.

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