Parameter Specification Result Appearance White or Yellowish Translucent soft unctuous,odorless,has certain drawing Complies Melting Point 45-60°C 58°C UV Absorbance 0.50 (290nm) 0.143 ConePenetration (0.1mm) 122 Residue on ignition 0.05% 0.032 Sulfide 0.00017% Complies Acidity or Alkalinity Plus phenolphthalein colorless and methyl orange can not show pink Complies Density 0.815-0.880 (60°C) 0.832 Organic Acids Show red Complies Fixed oils, fats&Rosins No ppt or oily matters is produced Complies Heavy metal 0.003% Complies Arsenic salt 0.0002% Complies Polycyclic aromatic hydrocarbons Absorbance at 260-420nm not more than the absorbance at 278nm Complies