Rosins & Derivatives
Gum Rosin
CAS 8050-09-7
Natural pine resin, classed by colour.
Tapped from living pine trees and refined to a glassy, pale solid. Supplied across the full international colour ladder for paints, inks, adhesives, soaps and rubber compounding.
Available grades
X
Palest, near-water-white
WW
Window glass
WG
Window glass, slightly darker
N
Nancy — pale amber
B
Bright — amber
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.
- Specific gravity @ 25°C
- 1.06 – 1.10
- Softening point (Ball & Ring)
- 82 – 90 °C
- Acid value
- 160 – 180 mg KOH/g
- Colour (Gardner)
- 4 – 7 GT
- Solubility (in toluene)
- 1:1
Typical applications
Where gum rosin earns its keep.
- Paints & inks
- Adhesives
- Rubber compounding
- Paper sizing
- Soap & cosmetics
Datasheets
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