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