... /heat resistance 5.Washable,reusable Stainless steel powder sintering filter is manufactured by Isocratic Pressing, Can be welded, ... , turbine oil, hydraulic oil, aviation kerosene, petrolum, chemical, power plant, coal carbon, mining, pharmaceutical, food and engineering industries. ... , to keep oils cleanness. It is an ideal filter element in petroleum, chemical and synthetic fiber industries6. ...