Natural iron oxide red
Natural iron oxide red, also known as hematite to natural hematite as raw materials made of red inorganic pigments, the content varies with the mineral origin. Usually natural iron oxide red containing a-Fe? 03 about 74 0,}, density of 4.35 a 6.2g}} m ;, oil absorption 13}; / 1GUg. Specific surface area of 4.7m2 / g. The general use of selected hematite, the research made 1}. Mix made of natural iron oxide red, after fine grinding to improve product coloring, dispersion and other properties. Mainly used for building materials, coatings, plastics, ceramics and other colorants.