You’ve got a motor rotor that needs eight magnetic poles, a housing that wraps around a steel shaft, and a tolerance spec that leaves zero room for glue-ups or post-machining. Sound familiar? That’s exactly where injection molded magnets earn their place on the spec sheet. In this post, we’ll walk you through the practical reasons design engineers and procurement teams keep choosing injection molded magnets over traditional alternatives. What Are Injection Molded Magnets? Injection molded magnets are produced by blending magnetic powder with a thermoplastic binder, which allows the resulting compound to be injection molded in the same manner as any other plastic. The magnetic powders typically include NdFeB (neodymium iron boron), ferrite, or SmFeN, and the binder is usually PA6, PA12, or PPS, depending on the operating temperature and mechanical demands. Here’s the thing: they’re not the strongest magnet type on the market. Bonded magnets, while versatile, generally have lower magnetic properties compared to their sintered counterparts. But raw magnetic strength isn’t always the deciding factor. When you need complex geometry, tight dimensional control, and easy integration with other parts, bonded magnets win on total system cost and design flexibility. Related article: Sintered vs. Injection Molded Magnets: A Technical Comparison 6 Reasons […]

Every motor, sensor, and magnetic assembly has different demands. And if you’ve ever tried to fit a stock magnet into a product that wasn’t designed around it, you know the frustration. The tolerances don’t hold up, the flux density falls short, or the shape just won’t work inside your housing.   That’s where custom magnets come in. At Chase Technology, we’ve spent over a decade helping engineers match the right magnet type to the right application. The difference is bigger than most people expect. We also deliver custom finished magnetic components based on your design requirements to fit your exact assembly needs. Here’s a practical breakdown of how different industries use custom magnetic solutions, and what you should know before placing your next order. How Custom Magnets Serve Different Industries Not all applications need the same magnet. Sounds obvious, right? But we still see teams ordering the same NdFeB grade for a sensor that they’d use in a drive motor. The result? Over-engineered parts, wasted budget, or even underperformance in the field. Therefore, choosing the right magnet requires considering both the specific application scenario and its performance requirements. It’s best to define the performance requirements first, then select the appropriate magnet type based on […]

Introduction At the beginning of 2026, the rare-earth magnet industry witnessed another strong surge in prices. Praseodymium–neodymium (PrNd) metal prices have broken through USD 135,000–140,000 per ton. This is not an isolated short-term fluctuation. In recent years, driven by the explosive growth of high-end manufacturing industries such as new energy vehicles, wind power, and robotics, the demand for praseodymium and neodymium has continued to rise. Coupled with policy constraints on the supply side of rare earth resources, a sustained upward shift in the price center has become the new normal.   For downstream magnetic material manufacturers, every fluctuation in PrNd prices directly impacts production costs. Against this industrial backdrop, finding an alternative material that maintains high performance while reducing dependence on PrNd volatility has become an urgent priority. Samarium-iron-nitrogen (SmFeN) permanent magnet materials are emerging as a key solution. With their unique performance advantages, they are poised to enter a new stage of industrial adoption. What is Samarium-Iron-Nitrogen (Sm-Fe-N)? Sm-Fe-N is not a newly emerging material. First discovered in 1990 by researchers, it is widely regarded as the next-generation rare earth permanent magnet material following SmCo and NdFeB. However, due to the complexity of its preparation process, SmFeN did not achieve large-scale […]

From small electronic gadgets to heavy industrial machines, magnets play a vital role in countless applications. Choosing the right magnet can significantly impact performance, efficiency, and cost. Among the most widely used magnets are neodymium magnets and ferrite magnets. Understanding their differences is essential for engineers, manufacturers, and hobbyists alike. In this article, we will explore the characteristics and applications of these two popular types of magnets to help you make an informed decision. What Is a Neodymium Magnet? A neodymium magnet, also known as a neodymium iron boron (NdFeB) magnet, is one of the strongest types of permanent magnets available today. Composed primarily of neodymium (Nd), iron (Fe), and boron (B), these magnets are prized for their exceptional magnetic strength relative to size. They are part of the rare-earth magnet family and have revolutionized industries requiring high-performance magnetic solutions. Types of NdFeB Magnets by Manufacturing Process There are three main types of NdFeB magnets based on their manufacturing process: Sintered Neodymium Magnets:Produced by compacting magnetic powders at high temperatures, sintered magnets have high density and extremely strong magnetic properties. They are ideal for high-performance motors, generators, and industrial machinery where maximum magnetic strength is required. Bonded NdFeB Magnets:Made by mixing magnetic powders with a polymer […]