HC52100 Petroleum hydrocarbon resin C5 is aliphatic resin with good fluidity, good adhesion, good in other performances. Such as even dispersion, on settlement, weather-proof, smudge resistance, adhesion. HC52100 is not a high polymer but a low polymer with the molecular weight between 300-3000. Featured by acid value, easy mutual solubility, resistant to water, resistant to ethanol and chemicals.