Graphene coating additive shows promising results
Earlier in 2018 Applied Graphene Materials (AGM) launched its latest dispersion range – the Genable 3000 series.
Genable 3000 dispersions are graphene based, active non-metallic, anti-corrosion additives, formulated to enable the full benefit of graphene materials to be accessed by coating industry formulators seeking improvements in anti-corrosion performance.
AGM is now reporting results from further testing, which not only underlines the potential for significant anticorrosion performance gains but also the product’s commercial attractiveness – particularly under harsher C4/C5 corrosive environments.
Incorporated into the formulation of an industry standard C3 epoxy primer system, and tested under representative cyclical salt spray testing (ASTM G-85-94 Prohesion), Genable 3000 series materials have been shown to deliver a five fold extension in coating lifetime, based on a single 60 micron dry film thickness. These exciting results are supported by a detailed mechanical dataset and studies incorporating combination with a PU topcoat exploring intercoat adhesion and overcoating intervals.
Further investigating Genable 3000 series potential for applications in harsher C4/C5 environments, AGM has embarked on another extensive test programme looking at the performance of a higher build primer system. The thickness of this high build primer is around 110 microns, and is therefore typically thinner than many comparative industry standard systems in the C4/C5 category (ISO12944).
Genable 3000 series dispersions are available initially in epoxy resins but with a range of solvent and water based dispersions under near-term development.
By Jake Frith
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