Austin Black 325

Fill More Molds with Fewer Pounds of Material

Product advantages

Low Specific
Gravity
Increased Processability
Low Carbon Emissions
Increased Profitability

About Austin Black 325

Produced from high-quality, low-volatile, bituminous coal, Austin Black 325 is a dry, finely divided powder with low specific gravity.

Known for its consistent, versatile, and formula-improving attributes, it can reduce end-product weight and increase profit margins.   

Austin Black 325 is a low-emission filler, emitting less CO2 than both virgin and recycled Carbon Blacks*.

*Source G3C Technologies

 

KG-of-CO2-Emitted

Compared to Other Clay, Talc, and Calcium Carbonate Fillers, Austin Black 325 is One of the Most Cost-Effective and Versatile Organic Fillers Available.

Durable rubber components made using Austin Black 325 filler for improved performance

Formula Improvements

Reported by customers include:

Austin Black Eco for sustainable plastic compounding
High-performance pigment alternative – Austin Black Eco
A close-up of a pile of crushed charcoal pieces on a white background
Charcoal dust texture spread on a white surface
Fine black carbon powder texture spread across a surface

Why choose us?

Sample Applications

Sample Cost Savings

75% of customers surveyed reported cost savings as a benefit of using Austin Black 325.

More Resources

Download the Technical Data Sheet
Download the Safety Data Sheet
View Packaging Options
Is Austin Black 325 the same thing as Carbon Black?
How does Austin Black 325 stack up against other fillers?
What makes Austin Black 325 more cost effective than other fillers?
How can Austin Black 325 be carbon neutral?

Frequently Asked Questions

Austin Black 325 is commonly used as a cost-effective pigment and filler in the plastics, rubber, coatings, and automotive parts. It improves UV resistance and provides a consistent with black color.

 

Austin Black is a finely milled, low-volatility powder made from high-quality bituminous coal. Its structure and sourcing make it an effective pigment and filler across multiple applications.

Yes, it’s a naturally occurring mineral that is considered safe for industrial applications when used according to standard handling guidelines. Always refer to the MSDS for best practices.

When combined with HAF or FEF carbon blacks, it enhances physical properties while significantly reducing costs. It also acts as a processing aid, improving dispersion and reducing bubbles and blisters in the final compound.

Austin Black 325 improves dielectric properties, especially in rubber insulation compounds that are exposed to moisture, improving electrical stability over time.

It boasts excellent dielectric (insulation) properties, UV and chemical resistance, and low moisture absorption. It also aids in air release and moisture control, improving overall compound stability.

While not as intense as traditional carbon black, we offers excellent dispersion, lower specific gravity, and affordability—making it ideal for non-critical coloration and reinforcement.

Yes, it contributes to UV stability in plastic and rubber products, helping extend their lifespan in outdoor or sunlight-exposed environments.

 

Absolutely. It’s a naturally mined mineral product with a lower carbon footprint than synthetic alternatives, making it a strong choice for sustainable formulations.