... 4.Chemical stability,no adverse effect with the oil 2.Product BriefActivated clay(bleaching earth) is an advanced ... applicable to refine oil ,used in soya bean oil,sunflower oil,corn oil,plam oil,castor oil,cotten seed oil,sung oil ,mineral oil,Lubricating oil ,olefin, paraffin ... pigment decolorization rate of 95% or more. 2) decolorization purified oil, acid a lower price. The purified liquid ...