松香胶是造纸常用的施胶剂，普通松香胶的游离松香含量低，因此，施胶效果不好。而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。
Rosin sizes is a common sizing agent of paper, the content of free rosin acid is low in common rosin sizes, so the sizing effect is bad.
而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。
While the content of free rosin acid in the dispersed rosin sizes is high, the sizing effect is better.
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