... to -402. Dust-proof structure3. Powder, granular and lump materials can all appliance4. Accuracy better than 1%5.A ... be measured1. Powder (plastic raw materials, iron powder, sodium sulfate, cement, vitamins, cocoa, alumina, iron ore powder, blue copper, coal, carbon black ... , corn flakes, tobacco, etc.)4. Massive(synthetic rubber, magnesium ore, bauxite, limestone, etc.)5. Pulp (refined copper in the ...