Chemical Composition: ���Gum Rosin Modified Octylphenol Resins. Technology Parameter���Apparent: Light Amber Color, Brown Solid.���Viscosity: 11000--15000 mpa.s/25��(tested by pyramid viscosimeter).8000--10000 mpa.s/20��(samples: sesame oil=1:2 testing after dissolving within 250�� (tested by whirl-viscosimeter).���Acid Value: ≤25mgKOH/g���Softness Point: 160-175��br />���N-heptane Value: ≥8ml/2g.25��