About the product
Ester of rosin is a polyol ester of rosin acid. Commonly used polyols are glycerol and pentaerythritol. Polyol rosin ester is a light yellow transparent solid with softening point of 90 ~ 110℃ and acid value of 10 ~ 20. If it is applied to paint manufacture, the quality of the paint is slightly higher than that of rosin calcium soap.
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