Common inorganic fillers such as common talc, calcium carbonate, etc., because of its refractive index and the vast majority of the resin has a large difference, so after filling, for the finished product of the light transmittance has a greater impact, so the early transparent, translucent plastics or coatings are less or no filler, resulting in a high overall cost, so manufacturers are also constantly looking for ways to reduce costs.

Previously mentioned in the soft, now different industries for the increasing demand for transparent inorganic filler, transparent inorganic filler filler modified plastics, coatings and other industries, in order to meet the physical and chemical properties of the decline in the case of a small amount, but also has a good light transmittance.