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    1. Castor OilIt is soluble in ethanol, difficult to dissolve in petroleum ether.
      Castor oil is the only raw material to extract the ricinoleic acid, because of its high viscosity, high burning point (not degenerative, not burning at 500-600℃), low freezing point (non-freezing at -18℃), and large proportion.
    1. Rapeseed OilRapeseed oil provided by Zhongsheng is India industrial rapeseed oil (CDRO), which is in accordance with German DIN-51605 international standard. Its iodine value is 100-120 gr.I2/100 gr., acid value is 2.0% below, low erucic acid content about 5-60%, so our rapeseed oil complies with the requirements of international industrial oil.