
Austin Black 325
Fill More Molds with Fewer Pounds of Material.
Produced from high quality, low volatile, sustainable 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 your profit margin.
Compared to other clay, talc, and calcium carbonate fillers, Austin Black 325 is one of the most cost-effective and versatile organic fillers available.
Learn more about packaging options.
Formula Improvements
reported by customers include:
Reduced end-product weight
Increased processability
Greater flowability
Improved compression
Higher insulating properties
Long-term durability
Odor-scavenging attributes
Reduced air permeation and improved air retention
Improved efficiencies in manufacturing
Helped resolve air entrapment issues in various compounds
Additional loading with cost reduction

Sample
Applications
Tires (All Types)
Automotive Seals, Hoses, and Belts
Plastics
Conveyor Belts
Paints and Coatings
Commercial Roofing (EPDM, TPO)
Sealants and Caulks
Sample
Cost Savings
reported by customers include:
Lower cost per batch.
Lower cost and reduced IIR rubber usage.
75% of customers surveyed reported cost savings as a benefit of using Austin Black 325.
Some reported saving up to 25%.

No greenhouse gases or waste is generated in our process.