在加成量相同的情况下：富马松香与马来松香相比具有较低的软化点和皂化值，却有较高的酸值，有利于改善强化松香胶和分散松香胶的质量。
Fumaric acid has a lower softening temperature and saponification value but a higher acid value, which was beneficial to improving the quality of modified rosin size and dispersed rosin size.
试制了二种液状强化松香皂胶，其施胶性能超过国内膏状松香皂胶，达到日本同类产品的性能。
Two rosin soap liquids were developed. The properties of the soaps were close to those of JRS-1 which is made by Japan.
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