polymer melt filter cartridge,is made of stainless steel wire by weaving together and this kind of filter cartridge takes the advantages of smooth wire pore,easy to wash,high temperature resistance,corrosion resistance,fast wire mesh without migration,long service life,ect.the sintered stainless fiber felt is a kind of high precision filter material made of stainless stell fiber by sintering in high temperature and this kind of filter cartridge takes the advantages of high porosity,good permeability,high dirt holding capacity,high regeneration capacity,etc.