As a world class manufacturer of metallic powders used as plastic additives and fillers, we engineer alloyed stainless steel powders in fine and coarse mesh sizes. Our metal additives are uniquely suited for critical plastic and advanced polymer compounding applications.
Alloys for Polymer Additives Fillers
We offer several different alloys and sizes of material specifically tailored for polymer compounding.
- Grades: Our metallurgists and engineers have worked to develop our polymer filler compounding products from 316L, 304L, 430L, and 410L alloys.
- Sizes: The above grades are typically offered in fine sizes and with surface areas suited to suspension in a variety of polymers. Our Plastic Compounding Fine Powder has a particle size approximately 30 microns.
Got a specialty custom requirement? As a specialist plastic additive supplier, we have the expertise to develop custom metal powders tailored to your exacting polymer compounding needs.

Advantages of Metal Powders for Plastics
Our high-performance 300 and 400 series stainless steel powders deliver numerous benefits for engineered and detectable compounds. These metal polymer additive powders are essential in industries where quality and reliability are paramount, including Food, Pharmaceutical, Defense, Industrial, and Automotive sectors. Key benefits include:
- Proven Expertise: 50 years as a high-volume supplier of atomized fine metal powders.
- Enhanced Properties: Metallic additives improve detectability, wear resistance, electrical and thermal conductivity, and dampening properties.
- Exceptional Value: Cost-effective solutions tailored to demanding applications.
Polymer Compounding Applications
Our metal powders serve as polymer additive fillers or reinforcements, enhancing a wide range of compound properties. By incorporating our metal powders, the following characteristics can be effectively modified:
- Metal and X-ray detectability:
Metal alloy additives provide magnetic and X-ray detectability, aiding in the prevention of foreign object contamination in food, beverage, and pharmaceutical products. Commonly used in blue plastics, these metals ensure contaminants are easily identified.
- Magnetic properties:
When a polymer is compounded with certain metal alloys, the magnetic properties of the product can be controlled to allow for conveyance, e.g., the movement of parts by magnets, or adhesion in a variety of automotive and industrial applications.
- Vibration and Sonic dampening:
Adding metal powders creates composites with tailored vibration, density, and acoustic properties or improved performance in various applications.
- Wear resistance:
Tough metallic particles enhance the durability of polymer matrix composites (PMCs), improving wear resistance in components manufactured with these additives.
- Anti-Static properties:
Metal powders increase electrical conductivity, enabling anti-static or fully conductive properties in the resulting material.