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Mike Harrsin

Concretene

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00:13:54 - 00:15:11

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Summary of the clip:

#GrapheneSynthesis, #CarbonNanotubeFabrication, #NanocompositeDesign, #2DMaterialProperties, #AdvancedMaterialsResearch, #MaterialCharacterization

This is a highlight of the presentation:

Graphene Connect 2026

11-12 March 2026

Online | TechBlick Platform

Organised By:

TechBlick

Graphene-Info

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00:03:28 - 00:04:34

Is the "graphene" in your concrete actually just cheap graphite?

Is the "graphene" in your concrete actually just cheap graphite?

The speaker highlights a critical issue in the graphene industry: many materials marketed as graphene are actually just graphite, which fails to provide the necessary performance benefits in cementitious systems. Concretene addresses this by carefully selecting its base material, a specific graphene nanoplatelet (GNP) from a partner who uses a plasma process, ensuring consistency and quality. This avoids the pitfalls of using ineffective or mislabeled materials.

The key to unlocking graphene's potential in concrete is achieving a stable and uniform dispersion within the highly heterogeneous mix. Concretene has developed a proprietary process that creates a blended admixture of graphene oxide (GO) and graphene nanoplatelets (GNPs). This combination is specifically engineered to ensure the graphene is well-dispersed throughout the concrete, which is crucial for achieving reliable and repeatable strength enhancements at an industrial scale.

Beyond the formulation, Concretene has also innovated on the production of a key component, graphene oxide. They have patented a cheaper, cleaner, non-Hummers method for producing GO. This vertical integration and process innovation are critical for making the final admixture cost-effective enough for the construction industry, moving the technology from the lab to a pilot plant for full-scale accreditation.

In this short video, you can learn:
* The critical difference between graphene and graphite for concrete applications.
* How a blend of graphene oxide (GO) and graphene nanoplatelets (GNPs) solves the dispersion challenge.
* The importance of a patented, cost-effective GO production process for commercial viability.
šŸ“‹ **Clip Abstract** Many so-called graphene products are actually graphite, which is ineffective in concrete. This clip explains how Concretene uses a specific graphene nanoplatelet and a proprietary graphene oxide blend to ensure proper dispersion and performance.
šŸ”— Link in comments šŸ‘‡

#GrapheneConcrete, #GrapheneNanoplatelets, #GrapheneOxideSynthesis, #GrapheneDispersion, #AdvancedMaterials, #ConstructionMaterials

00:08:56 - 00:10:22

How does adding a few grams of graphene let you remove hundreds of kilograms of cement?

How does adding a few grams of graphene let you remove hundreds of kilograms of cement?

The primary mechanism for CO2 reduction is not a direct chemical reaction but an indirect engineering benefit. By adding a small amount of the graphene-based admixture, the compressive strength of the concrete is significantly increased. This is the key performance uplift that enables a corresponding reduction in the most carbon-intensive component of the mix: the cementitious binder (clinker).

For any performance-specified concrete, where a certain strength is required, engineers can leverage this strength enhancement. If the graphene admixture provides a 20% strength uplift, the mix designer can reformulate the concrete with 20% less cement while still meeting the original design strength specification. Since cement production is responsible for roughly a kilogram of CO2 per kilogram of cement, this reduction directly translates to a lower carbon footprint for the final product.

Concretene targets a reliable and repeatable performance uplift of 10-20% in concrete and 20-30% in mortars at 28 days. This focus on a guaranteed minimum performance, rather than outlier maximums, is crucial for gaining the trust of civil engineers and specifiers. The entire value proposition is built on delivering this strength increase in a cost-neutral way, where the savings from using less cement offset the cost of the admixture.

In this short video, you can learn:
* The direct link between increased compressive strength and reduced cement content.
* How performance-specified concrete standards enable carbon reduction through material efficiency.
* The target strength uplift percentages for concrete (10-20%) and mortar (20-30%).
šŸ“‹ **Clip Abstract** This clip explains the core value proposition of graphene-enhanced concrete. By increasing the material's compressive strength, engineers can redesign the mix to use significantly less cement, directly reducing both the carbon footprint and cost.
šŸ”— Link in comments šŸ‘‡

#GrapheneAdmixture, #ConcreteStrengthEnhancement, #CementReduction, #PerformanceSpecifiedConcrete, #AdvancedConstructionMaterials, #NanomaterialApplications

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