... , dust-remover, etc.Materials to be packedBuilding materials, cement, metallurgy, food, agricultural chemicals, medicines, ceramics, rubber, paints, solid fuel, resin, grinding ... , zirconium oxide, tungsten carbide, copying toner, pollen, kaolin, pearl powder, calcium carbonate, quartz, mica, aluminum oxide, barite, graphite, magnesium powder, fire-retardant ...