Hydrogral P, a pentaerythritol-esterified partially hydrogenated rosin, is a tackifier resin with excellent resistance to oxidation and aging. It is particularly recommended for (solvent or hot melt) pressure-sensitive adhesive formulas.
Softening point, ring and ball, °C
Acid number, mg KOH/g
Color, Gardner, 50 resin / 50 toluene
Abietic acid content, %
Dehydroabietic acid content, %
DRT analytical methods are available on request
Molecular weight (Mw)
Glass transition temperature (Tg)
Soluble in aromatic, aliphatic and chlorinated solvents, in acetates, glycol, MEK and higher alcohols.
Compatible with copolymers, ethylene, vinyl acetate and natural or synthetic rubbers (SIS, SBS, SBR and butyl).
Under cover at a temperature below 30°C.
At least 15 months, subject to compliance with storage conditions and appropriate inventory control.
Flaked in 25 kg paper bags on wrapped 750 kg (net) pallets.