Graphene has long been recognized as a next-generation material for its exceptional electrical conductivity, thermal performance, and mechanical strength.

In semiconductor and electronic plastics, where high electrical conductivity is required, increasing carbon black loading to achieve conductivity often degrades overall properties. Graphene, due to its high intrinsic conductivity, can achieve similar performance at about 1–4% loading compared to 10–15% for carbon black.^[1]

In thermal management applications, when compared to conventional materials, graphene provides effective heat spreading due to its intrinsic thermal conductivity of up to 5000 W/m·K. In composite systems, its planar structure supports more continuous heat transfer pathways improving overall heat dissipation. ^[2]  Compared to conventional materials such as copper (~400 W/m·K), graphite (~200–500 W/m·K), and CNTs (~3000 W/m·K), this demonstrates a clear difference in intrinsic thermal conductivity.

In structural applications, graphene is used as a reinforcing filler to improve mechanical performance. At loading levels below 1 wt%, graphene can increase tensile strength by up to 40% and Young’s modulus by up to 50% in polymer composites, while conventional fillers such as carbon black or silica typically require significantly higher loading, often above 5–10 wt%, to achieve similar reinforcement. ^[3]

Why Graphene Still Fails in Industrial Applications

The answer begins with how graphene behaves when incorporated into polymers, liquids, or composite formulations.

Graphene’s two-dimensional structure and high surface area create strong van der Waals interactions between sheets, causing them to attract each other and re-aggregate. This makes graphene dispersion inherently difficult in real formulations. Even if graphene is initially dispersed, maintaining a stable nano dispersion is difficult. Over time, it re-aggregates, causing sedimentation, phase separation, or structural collapse under shear and temperature changes.

This is the point where most graphene applications fail. In practical applications, engineers use graphene not as a standalone material but as a functional additive within a host matrix, such as polymers or liquid systems. They can realize its intrinsic electrical, thermal, and mechanical properties only when they uniformly distribute it and form effective networks within the matrix. Without this, graphene behaves as inactive agglomerates rather than a functional material, preventing the formation of conductive pathways and leading to inconsistent performance due to the lack of a uniform network.

Graphene requires specialized dispersion technology to be commercially viable. Our ready-to-use nano dispersion provides graphene in a pre-dispersed form. Users do not need to perform dispersion themselves, and this reduces processing effort and eliminates variability. It ensures consistent product quality and performance and enables reliable use in liquid-phase applications such as battery materials, conductive inks, polymer composites, and lubricants.

Our graphene dispersion technology controls how graphene interacts with polymers, solvents, and other formulation components. Our engineers tune graphene for each system to maintain uniform dispersion and prevent re-aggregation.

This technology is applicable in water-based, alcohol-based, and oil-based formulations. Stable dispersion is maintained even when dispersing reduced graphene oxide (rGO) in oil-based formulations, where dispersion is typically most difficult. The dispersion maintains uniform particle distribution and consistent particle size, with no sedimentation during storage and use. This allows direct use without additional dispersion processing and ensures consistent performance during processing.

The same dispersion approach is applied to other nanomaterials with high dispersion difficulty, including single-walled carbon nanotube (SWCNT), multi-walled carbon nanotube (MWCNT), and boron nitride (BN). These materials are supplied as ready-to-use nano dispersions for direct use in industrial systems.

Visit our exfoliated graphene oil additive webpage to learn about our capabilities and available dispersion systems. If you wish to speak with a specialist, contact  us.