... High density 4.Briquette surface smomth This machine can press any powder into ball or briquette shape. Such as ... , coal powder, charcoal powder, metallic powder (FeSi powder), iron scale, iron sludge, precipitator dust, iron concentrate, raw material powder, ... , fireproof material, desulfurized gypsum and dolomite all can be press into ball, briquette and egg shape.Parameters: Model SLBOutputAnnual ...