Products of QT-8 series are ultra-fine produced by vertical grinder, with a fineness range of 1000 mesh - 3000 mesh and a whiteness range of 70 degrees - 94 degree. It is featured with narrow and equal particle size distribution, low oil absorption value and good fluidity, which can effective- ly reduce the cost of formulations for some downstream products. This series of products are mainly used in fields of wire and cable materials, adhesives, engineering plastics, inks, coatings, and rubbers, etc.Product Model:QT-8810,QT-8812,QT-8818,QT-8823,QT-8825,QT-8827,QT-8830.