How it works

The Patented RHEON™ Technology

RHEON technology is made up of 5 core elements which combine to enhance the performance of any product it is supporting:

  • Highly strain-rate sensitive polymers that stiffen momentarily while absorbing energy
  • Bespoke geometries tailored to each product – boost energy absorption performance regardless of the direction of the forces
  • Computational generative design techniques optimise solutions (e.g. enabling real-world data such as CT scans to drive design process)
  • Manufacturing process know-how
  • Expertise in bespoke garment integration

Key patents and registered trademarks in relevant markets are in place to deliver a sustainable competitive advantage to our partners.

The patented material, geometries and manufacturing techniques have been developed over 15 years by Dr Daniel Plant, CTO and his team of engineers and researchers. Dr Plant holds a PhD in Mechanical Engineering and an MA in Industrial Design Engineering from Imperial College, London and is a Fellow of the Royal Academy of Engineering.

Dr Plant is a recognised world authority on the latest approaches to all forms of impact testing and helmet construction.


The ingredient technology name comes from the branch of physics “Rheology” (noun. rɪˈɒlədʒi) which is the study of the non-Newtonian flow of liquids and the plastic flow of solids. The principles of rheology are at the heart of the patented RHEON technology.

Rheology explores the relationship between stress (the force applied to a material) and strain (the change in its shape). The RHEON technology uses a highly strain-rate sensitive polymer that adapts to applied force to provide protection and control.

If a material is said to be ‘strain-rate dependant’ this indicates that it can become stronger and stiffer simply due to an increase in strain rate i.e. the speed at which it is deformed (stretched, bent or compressed). Whilst all plastics display this property to some degree, the RHEON material has been specifically formulated from a range of polymers to maximise this behaviour. It can then be used to create a product where these extreme strain rate properties have a practical value (e.g. in body armour).

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