1.Properties of stainless steel sintered porous materials 1) High-temperature resistance, in normal use under 500 2)High mechanical strength, good plasticity, can be machined. 3)Corrosion resistance, oxidation resistance, can be used in nitric acid, sulfuric acid, dilute hydrochloric acid (5%), acetic acid, liquid hydrogen, liquid nitrogen environment. 4)Good molding process, according to customer drawings for processing a molding. 5)High filtration precision and good purification effect. 6)The pores are uniform, the internal structure is stable, and no particles fall off. 7)Good air permeability, easy to back blow cleaning, can be used repeatedly online regeneration. 8)Wear resistance and impact resistance, good mechanical properties. 2.Application of stainless steel sintered porous materials According to its physical and structural characteristics, stainless steel sintered porous materials are mostly used in the fields of noise elimination, filtration and separation, fluid distribution, flow limiting, capillary core and so on. 1)Chemical raw material production process in addition to impurity filtration, material decarburization filtration and fine filtration. 2)Ultrafiltration, RO, EDI system security filtration in water treatment. 3)Food and beverage industry finished product clarification filtration. 4)Filtration and recovery of precious metal catalyst in petrochemical industry. 5)Precision filtration of liquid raw materials, products and pharmaceutical intermediates in the chemical industry. 6)Reverse osmosis security filtration in the field of water injection filtration. 7)Gas purification of steam, compressed air deoiling purification. 8)Medium purification and flow limitation for pneumatic components, lubricants, fuels and hydraulic pressure systems. 9)Chemical dye industry of high - temperature decarburization.