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:
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Reduced end-product weight
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Increased processability
Greater flowability
Improved compression
Higher insulating properties
Long-term durability
Odor-scavenging attributes
Reduced air permeation and improved air retention
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Improved efficiencies in manufacturing
Helped resolve air entrapment issues in various compounds
Additional loading with cost reduction

Sample
Applications
Tires (All Types)
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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.
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75% of customers surveyed reported cost savings as a benefit of using Austin Black 325.
Some reported saving up to 25%.
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No greenhouse gases or waste is generated in our process.