Standard MIM Feedstock
High-Density MIM Feedstock
Key Features
Vertical Integration Advantage:
Formulated exclusively using NEWLIFE's in-house ultra-fine powders (Fe, Cu, Ni), ensuring raw material purity and supply chain security.
01
Superior Sintered Density:
Achieves relative densities exceeding 96-98% of theoretical values, rivaling wrought materials in mechanical properties.
02
Consistent Shrinkage Rates:
Tightly controlled powder loading ensures predictable batch-to-batch shrinkage, reducing the need for frequent mold tooling adjustments.
03
Clean Debinding
The catalytic or solvent/thermal binder systems are optimized to leave zero carbon residue, preventing contamination of the alloy matrix.
04
Green Strength
High green strength allows for automated handling and robotic manipulation of parts immediately after molding without breakage.
05
Specifications (Typical Values)
- Base Materials: Low Alloy Steels (Fe-Ni), Stainless Steels (316L, 17-4PH), Soft Magnetic Alloys.
- Powder Loading: 60% - 65% by volume (customizable based on alloy).
- Binder Type: Wax-Polymer based / POM based (Catalytic).
- Particle Size: Ultra-fine distribution (D50 < 10µm or customized).
- Melt Flow Index (MFI): Optimized for standard injection pressures.

|
Property |
Value Range |
Standard |
|
Sintered Density |
≥ 7.6 g/cm³ (Fe-Ni) |
ASTM B883 |
|
Tensile Strength |
450 - 1100 MPa |
Dependent on Heat Treat |
|
Surface Finish |
< Ra 1.6µm |
As-Sintered |
Overview
The NEWLIFE Standard MIM Feedstock represents the foundation of our injection molding solutions, engineered to deliver exceptional stability and consistency for high-volume manufacturing. At the core of this feedstock is our proprietary vertical integration capability: we do not merely mix materials; we manufacture the base metal powders. By utilizing NEWLIFE's self-developed ultra-fine Iron (Fe), Copper (Cu), and Nickel (Ni) powders, we control the particle size distribution (PSD) and morphology at the microscopic level before the binder is ever introduced.
This feedstock utilizes a multi-component binder system designed to balance green strength with clean debinding characteristics. It is formulated to provide a wide process window, making it compatible with most standard injection molding machines and sintering furnaces. Whether you are producing structural steel parts or magnetic components, our Standard Series ensures that the transition from green part to sintered component is predictable, achieving near-full density with minimal distortion.

Applications
The Standard Series is the workhorse of the MIM industry, suitable for:
- Consumer Electronics: Hinges, camera rings, and structural brackets for smartphones and wearables.
- Automotive Systems: Sensor housings, rocker arms, and gearbox components requiring high fatigue strength.
- Power Tools: Ratchets, gears, and drive mechanisms that require high torque resistance.
- General Industrial: Lock components and hydraulic valve spools.

Engineering Advantage & Cost Analysis
The primary engineering advantage of the NEWLIFE Standard MIM Feedstock lies in our Cost-to-Performance Ratio. Because we manufacture our own ultra-fine Iron, Copper, and Nickel powders, we eliminate the premium markups associated with third-party powder suppliers. This allows us to pass significant cost savings to our clients without compromising on quality.
From a processing standpoint, the high tap density of our powders allows for higher solids loading. This translates to less linear shrinkage during sintering and tighter dimensional tolerances (typically ±0.3% to ±0.5%). For engineers, this means fewer secondary machining operations are required. The homogeneous mixing of our ultra-fine powders ensures isotropic mechanical properties, eliminating internal voids and ensuring that the final part performs consistently under stress.

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