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.

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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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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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