WLDH Horizontal Ribbon Mixer Descriptions When throughput is the priority, this ribbon blender mixer delivers an 8000L working volume and 3200-4800 kg batch for large-scale bulk powder and mineral blending. The proven double-ribbon design scales cleanly to this size, folding large volumes of material into a homogeneous mix in a single short cycle while drawing comparatively little power per tonne. Stainless steel contact parts and heavy-duty bearings ensure durability, and