Rosins & Derivatives
Maleic Modified Rosin
Hardness and acid value, on demand.
Diels-Alder adduct of rosin with maleic anhydride. The reaction introduces anhydride groups into the rosin backbone, raising the softening point and improving compatibility with other materials — making it the workhorse modification for paper sizing, varnishes and protective coatings.
Typical specifications
Indicative values across standard grades.
These are typical values; current batch-specific certificates of analysis are available on request alongside the MSDS / TDS.
- Softening point (Ball & Ring)
- 125 – 135 °C
- Acid value
- 20 – 30 mg KOH/g
- Colour (Gardner)
- 6 – 8 GT
- Solubility (in benzene)
- 1:1
Typical applications
Where maleic modified rosin earns its keep.
- Paper sizing
- Wood lacquers
- Marking inks
- Coatings
Datasheets
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