... than 1.67 / t / cubic meter, easy to dig a powder, granular, small block of low-abrasive materials and bags of ... materials, such as coal, gravel, sand, cement, fertilizer, and grain. Sent material temperature is less than 60 °C. The form ... mainly fit for grain bin, wharf, grain processing plant, light industry, phamercutical, brewing ,to convey each kind raw material, half-product grain, powder feed or ...