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The  (ACC, Zug, Switzerland) announces that over several years of work and input from more than 100 subject matter experts, the Graphene Classification Framework has now been officially published as an ISO technical specification.

Nanomaterials, like graphene, carbon nanotubes (CNT) and related carbon materials, are increasing being used as fillers in composites to improve properties, reduce weight and drive sustainability. As relatively new materials, few international standards have been developed.

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, “Nanotechnologies — Classification framework for graphene‐related 2D materials,” is a document that specifies the characteristics of graphene-related 2D materials and their respective measurement methods in sheet and particle forms for commercial applications.

The classification framework includes:

• Relevant material characteristics for commercial use
• Identification of applicable measurement methods
• A range of the characteristic measured values when applicable
• Syntax to guide consistent naming and descriptions
• An applicable technical data sheet template.

The Graphene Council (now the ACC) started this initiative as it felt it was a necessary and critical step toward the widespread commercialization of graphene and related 2D materials. The Graphene Classification Framework helps to create transparency in the market and to provide confidence to end users and buyers of graphene materials from producers that follow this technical specification, and that have had their materials tested and characterized properly.

What are next steps? Proving its ability to establish a global standard for advanced materials, the ACC is now aiming to establish task force groups for more mature materials like CNTs and carbon fiber to achieve the same goal. 

Visit the to learn how to participate in standards setting or learn more about advanced carbon materials.