... .5kw powder 3.Material can be powder, sawdust ,straw, rice husk sawdust Drying machine: Product Introduction:Hot-air dryer adopted ... and pollution is small. This dryer is applicable to starch, rice flour, food, medicine, chemical industries drying powdery, flakiness, sensitive ... is generally in 0.5 ~ 5 seconds, sensitive and low melting point materials won't cause overheat or broken down.3. The thermal ...