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RESIDHERE FD-80 is a noncrystallizing modified gum rosin with an acid number of 155 to 170 mg KOH/g and a saponification number of 165 to 185 mg KOH/g.
RESIDHERE FD-80 is a modified gum resin resistant to crystallization. It is a low-VOC grade that efficiently enhances the adhesion and appearance of adhesive and glue formulations while providing excellent tack and transparency.
Gardner initial color: 7 max
Acid number, mg KOH/g: 155 to 170
Initial color US standard: WW-X
Volatile oils content, L/100 kg: 0.2 max
Softening point (ring and ball), °C: 75 min
Crystallization, hours: >72
Insoluble in toluene: 0.02 max
Total resinous acids, %: 90 min
Saponification number, mg KOH/g: 165 to 185
Primary Chemistry:
Gum rosin
Poor adhesion of glues or adhesives
Low flexibility of adhesive formulation
Poor transparency of glues or adhesives
Glues
Special adhesives
Solvent-based and water-based adhesives
Floor coating adhesives
Synthetic resins
Paper glues
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