Successful Production of High-Quality Metakaolin for Low- Carbon Cement

Green360 Technologies Limited (ASX:GT3) (Green360 or the Company) is pleased to announce that it has produced a number of metakaolin samples from its kaolin resources and deposits. Successful internal laboratory testing of the metakaolin validates its exceptional quality, exceeding industry benchmarks, making it suitable for use in low-carbon cement formulations and high-performance structural concrete.

HIGHLIGHTS

• Successfully produced a number of metakaolin samples from the Company’s various kaolin resources and deposits.
• Successful internal testing places Green360’s product at the top end of metakaolin quality benchmarks, exceeding many other variations of metakaolin available in Australia and globally – validating the product’s potential for use in low-carbon cement, and in the production of low-carbon, high-performance structural concrete.
• Metakaolin is a sought-after partial replacement for traditional Portland cement in concrete mixes, improving strength and durability whilst also reducing emissions.
• Significant milestone allowing for rapid advancement of low-carbon cement formulations utilising metakaolin.
• Commenced commercial-scale concrete trials of metakaolin-based low-carbon cement formulations with JV partner and leading pre-cast manufacturer PERMAcast, to further validate performance in concrete products.

This is a significant milestone for the Company – confirming the key role of the Company’s own metakaolin in the development of Green360 low-carbon cement formulations.

The Company has now succeeded in developing and optimising low-carbon cement formulations utilising its own metakaolin, for testing in commercial-scale concrete trials with its Joint Venture partner, leading pre-cast concrete manufacturer PERMAcast.

These trials are a key step in validating the performance of the Company’s metakaolin-based low-carbon cement formulations in commercial concrete products.

Green360 Technologies Executive Chairman Aaron Banks commented:

“The successful production of metakaolin from our resources and deposits is a significant milestone for the Company. This achievement allows us to rapidly pursue testing and optimisation of low-carbon cement formulations utilising our own metakaolin and industrial byproducts, to ultimately deliver low-cost, low-carbon alternatives to traditional Portland cement.

“We have now developed low-carbon cement formulations utilising our metakaolin and have moved to commercial testing in concrete with PERMAcast – a key step forward in validating the performance of our low-carbon formulations in real-world applications.

“We are making significant strides towards the development and commercialisation of our high-quality, low-cost, low-carbon cement formulations, addressing growing pressure for the cement and concrete industry to decarbonise. We look forward to the results of commercial scale testing with PERMAcast and further optimisation of our formulations.”

Successful development of in-house metakaolin

Green360 has successfully completed the first stage of its product development program, achieving the controlled calcination of its kaolin into high reactivity metakaolin. Laboratory analysis, conducted in partnership with Murdoch University, confirmed the transformation using advanced Fourier Transform Infrared (FTIR) spectroscopy and X-ray Diffraction (XRD). These tests show the kaolin has been fully converted into an amorphous phase suitable for use in high-performance concrete.

Importantly, testing reveals Green360’s metakaolin has an exceptionally high amorphous content of >88%, with very low levels of residual crystalline material. This places Green360’s product at the top end of metakaolin quality benchmarks, exceeding many other variations of metakaolin available in Australia and globally, which typically range between 55–75% amorphous content depending on source and processing conditions.

Metakaolin is a sought-after key input for low-carbon cements, enabling the partial replacement of traditional Portland cement in concrete, both to increase the performance of a concrete product, and importantly, reduce its emissions profile.

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