Carbon Black Acceptance

John Loudermilk, CEO of Birla Carbon, argues that recovered carbon black is technically ready for the mainstream market but still faces a set of commercial and technical hurdles that have kept adoption slower than the industry first anticipated.

The Commercial Reality Behind Slower Adoption

In a discussion on The Tyre Recycling Podcast, Loudermilk walked through what stands between today’s trial volumes and the contractual mainstream that would make recovered carbon black a dependable input. His framing begins with economics as much as chemistry: current cost pressures, combined with the price competitiveness of imported tyres, squeeze the margin that would otherwise fund a wider switch in feedstock form. In that environment buyers weigh every recycled-material purchase against the same benchmark as virgin furnace black, which keeps carbon black acceptance a measured, qualification-driven process rather than a sudden shift.

The Formulation Versus Product Problem

Recovered carbon black is not automatically a drop-in substitute. The pyrolysis char recovered through tire pyrolysis must be refined by milling, pelletising, and blending before it reaches the batch-to-batch consistency and cleanliness that compounders specify. Without that downstream step the material stays a curiosity instead of a dependable feedstock — for developers, this refine stage is often the difference between selling a by-product and selling a product. It is worth understanding exactly how the material is produced; a primer on what recovered carbon black is explains the role of pyrolysis char and upgrading.

Partnership as the Route to Acceptance

In Loudermilk’s view the path runs through collaboration rather than isolated scaling. He cites strategic partnerships — including work with Circtec in the Netherlands and a joint venture in India — as the model for folding recovered feedstock into an established producer’s quality and supply system. He frames the long-term opportunity at around a tenth of total global demand, a measured target that reflects confidence in qualification over a boom-forecast substitution.

High-Barrier Applications Set the Standard

The applications that carry the most value are also the most demanding. Potable water pipes bring organoleptic requirements, and durable plastics need dependable UV stabilisation, and pyrolysis char must be engineered to answer both. Each application is a reminder that recovered carbon black earns its place one use case at a time, with value tied to how closely it matches the performance the industry already expects. Developers can pair the solid output with pyrolysis oil and shape the project economics early through a feasibility study that sets a qualification route from the start.

Why Consistency Is the Deciding Factor

What makes this moment instructive for the wider tire-recycling sector is that the remaining barriers lie less in chemistry than in industrial discipline and supply structure. The feedstock is abundant: end-of-life tyres are generated in large volumes every year, offering a renewable source of recovered material that would otherwise be stockpiled or lost. Pyrolysis already unlocks that material, and the reclaimed carbon it yields is a close relative of the furnace black that dominates the global supply chain. The gap Loudermilk identifies is the standardisation step, proving consistent, clean quality and earning a place on qualified supplier lists — a gap that focused operators, not only established incumbents, are positioned to close.

Learn More:

• Recovered Carbon Black as a Virgin Furnace Black Substitute
• Tire Pyrolysis: Converting End-of-Life Tyres to Value
• Pyrolysis Oil from Scrap Tyre Processing
• Feasibility Studies for Carbon Black and Pyrolysis Projects
• Pyrolysis rCB Plant Cost Estimates

Turn Carbon Black Acceptance Into a Qualified Supply Position

Recovered carbon black becomes a contractual mainstay — not a trial sample — only when the char is refined, qualified, and matched to the standards of demanding end uses.

Klean Industries delivers the tire pyrolysis and recovered carbon black technology and the feasibility groundwork that shape a credible, spec-ready supply.

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Contact Klean Industries about sustainable carbon black » GO.