... to pellet strength.Product—Screen-Undersize-Fresh Feed-Roller press- Overflow---CrusherSolids in the gap ... SSP, carnallite stone, phosphate rock, metal powder, fillers, feed additives, arsenic porphyry insects, nicotinic acid, nicotinic acid amine, ... pharmaceutical intermediates, steel-making additives, melting agent, swelling, alumina powder, phosphogypsum, gypsum, ...