Nanoparticle and Powder Processing Services

Nanoparticle and powder processing services perform milling, crushing, classifying, screening, grading, atomizing, coating, or production of metal or chemical powders and nanomaterials on a contractual basis. They also perform custom processing, toll processing, size reduction, pulverizing, grinding, particulate production, spray drying, drying powder processing, particle size reduction, gas atomization, custom blending, and agglomeration activities. Most nanoparticle and powder processing services create metal powders; however, some powders are ceramic, chemical or polymer-based. Powder particle sizes range from fine or superfine to ultrafine, mesoscale, and nanoscale levels. Typically, nanoparticle and powder processing services use equipment such as spray dryers and coolers, fluid bed systems, evaporators, powder packaging equipment, homogenizers, membrane filtration systems, coaters, agglomerators and granulators. For some applications, a jet milling machine may also be used.

Nanoparticle and powder processing services create the metal powder materials that are used to form parts and end-products through a sintering process. Sintering is a process in which a finely-divided is ore is heated until it collects to form larger particles. Like chemical powders, metal powders have characteristics between a solid and a liquid. Depending on the final product, metal powders need to meet physical and chemical requirements for size, particle distribution, metal and admixture content, density, flow level, stability, compressibility, and corrosion resistance. Nanoparticle and powder processing services may serve a specific industry or produce powders for a wide range of applications. 

Nanoparticle and powder processing services that specialize in polymer manufacturing applications create powders with finer granularity, more consistent reproducibility, tighter particle-size distribution, and higher purity. Nanoparticle and powder processing services can provide polymer and chemical powders for use in applications ranging from food processing to paints, pigments, food and fuel. Chemical powders are often used in abrasives, electronics, medical devices, aerospace applications, and energy products. Dry powder processing is suitable for particle size reduction and classification, particle coating for uniform component applications, and in multi-component dry blending systems. Nanoparticle and powder processing services that specialize in material processing for food-grade applications must meet regulatory requirements from the U.S. Food and Drug Administration (FDA). Certifications and standards for nanoparticle and powder processing services include ISO 9001:2000 from the International Standards Organization (ISO), as well as AS 9100 and QS 9000.

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