Metal Injection Molding Process Service Factory



1. Feedstock Compounding

Metal Injection Molding Process Feedstock Compounding
Metal injection molding can produce a wide range of materials and alloys. Check out our MIM Materials List of available options. Production begins with mixing exclusive metal powder and binder raw materials. Granular feedstock ensures optimal material flow and processing. Precise control ensures consistency.

2. Injection Molding

Metal Injection Molding Process Injection Molding
MIM raw materials are processed through fully automatic injection molding machines, heated and injected at high speed into tools or molds with multiple complex cavities. Once formed, the result is called a "green part." The green part is approximately 20% larger than its final size due to the addition of additional binder, allowing shrinkage during debinding and sintering.

3. Debinding Process

Metal Injection Molding Process Debinding Process
The parts then enter the first stage of degreasing. The binder systems used in MIM raw material formulations undergo a two-step debinding process. Although there are many ways to debinder, metal injection molding currently mainly uses two debinder methods: catalytic method and solvent method. Catalytic debinding uses fumed nitric acid to remove some of the binder, while solvent debinding systems soak green parts in solvent for several hours to remove most, but not all, of the binder in preparation for sintering. Once this process is complete, the part is called a "brown part."

4. MIM Sintering

Metal Injection Molding Process MIM Sintering

The MIM sintering stage involves placing the brown parts into a high-temperature furnace. By heating the part close to its melting point, any remaining adhesive is completely removed and the metal particles bond together. The part then shrinks and densifies, developing the final strength and geometry of the metal part.

5. Inspection and Secondary Operations

Metal Injection Molding Process Inspection and Secondary Operations
After sintering, metal parts can undergo additional operations to improve dimensional control, achieve tighter tolerances, improve mechanical properties and visual appearance, such as heat treatments and coatings. These are called secondary operations and can be performed within the factory. Finished MIM parts are fabricated at approximately 98% of the theoretical density of the wrought metal, resulting in similar mechanical properties.

6. Packed and Shipped to Your Door

Metal Injection Molding Process Parts Packed and Shipped to Your Door Weighing

At MIM Supplier, we understand the importance of a seamless and efficient shipping process. That's why we take great care in ensuring that your orders are packed and shipped to your door with the utmost precision and attention to detail.

Our team of experts is well-versed in the best practices of packaging and shipping, guaranteeing that your products will arrive in pristine condition, ready for immediate use in your manufacturing processes.

When it comes to packaging, we utilize industry-leading materials and techniques to provide optimal protection for your items. Whether it's our 316L Surface Treatment or Antibacterial Stainless Steel, or our Aluminum Nitride, rest assured that your materials will be securely packaged to prevent any damage during transit.

Once your order is carefully packed, we partner with reputable shipping carriers to ensure timely and reliable delivery. We work with air express services such as DHL and FedEx, allowing us to deliver your products to your door within a week in most cases.

For international customers, please note that you may be required to pay local import duties or other fees. We recommend checking with your local customs office for more information on any additional charges that may apply.

Should you have any questions or concerns regarding the shipping process, our dedicated customer support team is always available to assist you. You can reach us by phone at 0086 755 8273 7469 or via email at

At MIM Supplier, we strive to provide a seamless and hassle-free experience from the moment you place your order to the moment it arrives at your door. Trust us to pack and ship your materials with the utmost care and professionalism.