PE-porös has a low coefficient of sliding friction, and theproducts made from it have smooth surfaces, so that it has less sliding friction to start with than steel sheeting or woven fabrics, for example. The aeration reduces this still further, and loosens up the bulk material in addition.
Pneumatic discharge hoppers by KIK are aids for discharging fluidizable dry bulk materials that are not freeflowing. Aeration that is gentle to the product prevents
• pit formation
• core flow
For higher mechanical stresses, materials with perforated plates sintered into them are employed. Steel flanges and spouts are then welded to these plates.