Hazer Graphite Passes Independent Road Test Opening 122mtpa Bitumen Market
Key Takeaways
- Independent testing by Boral Construction Materials Technical Services confirmed Hazer graphite can replace a portion of petroleum-derived bitumen in heavy-duty asphalt, validated against Transport for New South Wales specifications.
- The Hazer graphite formulation delivered a Tensile Strength Ratio of 89% versus 81% for the conventional control mix, indicating superior resistance to moisture damage — a primary failure mode for road pavement.
- The global bitumen market for road construction is estimated at approximately 122 million tonnes per annum in 2026, forecast to grow to ~175 million tonnes per annum by 2035, with spot prices ranging from USD$383/t to USD$724/t.
- Hazer's graphite has now accumulated independently qualified use cases across asphalt, concrete, and other industrial applications, broadening the potential buyer base ahead of commercial conversations with project partners and offtakers.
- No contract or revenue event has been announced — the results represent technical validation groundwork, with commercial agreements yet to follow.
Hazer graphite passes independent asphalt testing, opening a 122mtpa market opportunity
Independent testing by Boral Construction Materials Technical Services has confirmed that Hazer Group graphite can replace a portion of petroleum-derived bitumen in heavy-duty asphalt formulations while maintaining or improving key performance characteristics. The testing was conducted against Transport for New South Wales specifications for heavy-duty pavement applications, giving the results credibility against a recognised industry standard.
The outcome opens a pathway into the global bitumen market, currently estimated at approximately 122 million tonnes per annum (mtpa) in the road construction and pavement segment. With global bitumen spot prices ranging from USD$383/t to USD$724/t across major international ports, the results establish a meaningful reference point for the potential value of Hazer graphite as a partial replacement material.
Glenn Corrie, CEO & MD, Hazer Group
“These latest results represent an important step forward in demonstrating the functional performance and versatility of Hazer graphite in large-scale infrastructure applications. In this program, our graphite not only replaced a portion of conventional bitumen but improved several key performance characteristics.”
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What the test results showed
The standout result from the testing programme was a Tensile Strength Ratio of 89% for the Hazer graphite formulation, compared with 81% for the conventional control mix. That gap matters: a higher Tensile Strength Ratio indicates greater resistance to moisture-related damage and stripping, which is a primary failure mode for road pavement in wet conditions.
Beyond that headline figure, the graphite-containing asphalt formulations delivered improvements across several additional performance measures:
- Tensile Strength Ratio: 89% (Hazer graphite mix) vs 81% (control) — improved moisture resistance
- Improved tensile strength across graphite-containing formulations relative to the control mix
- Strong resistance to rutting and deformation under load
- Significantly improved ageing characteristics compared with conventional asphalt binders
It is important to note that any environmental or lifecycle benefits associated with substituting graphite for petroleum-derived bitumen are subject to further lifecycle assessment and validation.
Understanding the graphite-in-asphalt opportunity — and why it matters for investors
Bitumen is the black, viscous binder that holds asphalt together. It is a byproduct of crude oil refining, which makes it both carbon-intensive to produce and directly exposed to oil price volatility. Replacing even a portion of bitumen with a lower-emissions material like graphite can serve two purposes simultaneously: improving the physical performance of the road surface and reducing the carbon intensity of the finished product.
For investors, the relevant angle is commercial scale. The global bitumen market for road construction is not a niche — it is one of the largest construction material markets on earth, and it is growing.
| Market Segment | Demand Scale | Pricing Reference | Hazer Graphite Role | Status |
|---|---|---|---|---|
| Asphalt / road paving | ~122mtpa (2026), forecast ~175mtpa by 2035 | USD$383–$724/t (bitumen spot price reference only — not a confirmed price for Hazer graphite) | Partial bitumen replacement | Independent testing confirmed |
| Concrete | Large-volume infrastructure | Not disclosed in this announcement | Not specified | Previously qualified |
| Steelmaking / cement | Large-volume industrial | Not disclosed in this announcement | Not specified | Target market |
This is the foundation of Hazer’s dual-pronged graphite monetisation strategy. Large-volume markets such as steelmaking, cement, and asphalt are expected to provide consistent demand and underpin a baseline product value, while higher-value applications are being developed over the longer term despite representing a smaller share of total volumes. The company’s strategic partnership with Mitsui adds commercial credibility to that thesis, signalling inbound interest from established industrial players across multiple market segments.
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What’s next for Hazer’s graphite commercialisation
Hazer is currently pursuing several global hydrogen project opportunities where asphalt applications are being considered for the graphite production stream. These results are therefore timely — they provide independent technical validation that could support commercial conversations with potential partners and offtakers at those projects.
The growing portfolio of independently qualified applications — asphalt, concrete, and other industrial uses — continues to strengthen the commercialisation pathway. Each qualification adds a verified use case to the Hazer graphite product profile, broadening the potential buyer base across infrastructure and industrial markets globally.
The broader strategy remains consistent: qualify graphite across high-volume markets to underpin baseline value, while developing higher-value applications over time. No contract or revenue event has been announced, but the accumulation of independent technical validations is the groundwork that commercial agreements are built on.
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