high decoloring ability,low free acid Mainly used to refine edible animal and vegetable oil. This product with strong decoloring-ability and good adsorption, can emerge and separate some matters, such as pigment, colloid, impurity, dram heavy metal in lipid which can cause oxidant and activator toxic . It is applicable to decolor and refine the soy oil, sunflower oil, corn oil and fat of pig, ...