Lincoln Plastics provides professional extrusion manufacturing services, with proven expertise in resin selection assures that you receive the best material recommendation for each product. In addition, our resin experts work closely with our customers to assure material selections meet requirements for life expectancy, structural integrity, finished appearance, and of course cost expectations. Our plastic resin experts match material selection to application. Extrusion molding (also known as plastification extruding) is a process that the stack of powders or the green body in die is pushed out to assume another form of green body or other final product under pressure. The cold extruding process is applied to mixtures of metal powders and organic binders, and extruding is performed at low temperatures (40–200 °C) to form the green body. The processes include material preparation, preprocessing, extruding, cutting, and reforming. The porous products can be obtained after drying, pre-sintering, and sintering of the extruded green body. It is an effective way to produce a long porous tube with a small diameter. Lincoln Plastics are professionals in extrusion manufacturing services. The pretreatment of a mixture under pressure involves making full contact between the plasticizer and particle surfaces, to remove the gas inclusion and finally to ensure uniform density. Plasticizers have a large effect on a material’s properties. Therefore, certain requirements are needed for them, including that there should not be any reaction with porous materials during sintering, and that they should be removable, sticky, and have great pore-forming ability. The plasticizers in common use are olefin, amylum, and polythene alcohol. Powders will be subjected to pressure from the side wall, friction from either the powder and the wall or the extrusion shaft and the wall, in addition to the normal compression from the extrusion shaft. The key factors affecting the properties of green body extrusion are the types of powders, the particle shape and size, the plasticizer type and content, the precision of the mold, the pressure from extrusion, the extrusion speed, and the preheating temperatures. The selection of the preheating temperature depends on the optimal plastic used for the plasticizer at the selected temperature. The extrusion speed can be determined experimentally, and it is closely related to the particle size, shape, extrusion ratio, fluidity, extrusion force, and plasticizer. Higher extrusion speeds may cause the green body to crack. (Source: Sciencedirect.com)