Creating New Opportunities with Steel

Request Number N375080
Need details

Tata Steel has commercialised the World’s first steel skinned, polymer honeycomb composite panel produced on a continuous production line, Coretinium®.


Coretinium’s combination of two high performance materials gives it some remarkable properties, particularly it’s light weight rigidity.


The flat rigid sheet is already  being actively developed for a range of building envelope and transport applications where premium aesthetics and weight reduction are key drivers


However, we are convinced that we have only just scratched the surface of the potential uses of this unique product! We are looking to identify new opportunities and create technical and commercial partnerships to exploit them.




Coretinium® is made on a “New to the World” production line in Shotton, North Wales, utilising a patented polymer honeycomb continuous production process.




A number of tooling options allow a range of composite sheet specifications to be made.


10mm  & 25mm composite sheets are the standard with sheet sizes of 1250mm wide and up to 10m in length


The properties of Coretinum’s two high performance materials combine to create an exceptional composite that is even more than the sum of its parts…..





The headline property of a steel skinned composite is its rigidity to weight ratio, with the 28mm Coretinium composite having comparable flexural rigidity to 36mm birch plywood…. But with less than half the weight.



Against steel plate this weight saving is even more extreme with Coretinium being up to 85% lighter


We’ve also noticed some other interesting properties

  • The honeycomb has an insulating effect with thermal conductivity typically 0.07 to 0.08 w/mk
  • Coretinium has a sound deadening effect and is particularly good at blocking higher frequency sound transfer. It’s absorption properties can be enhanced by perforating one skin and / or adding materials into the open honeycombs
  • Even though it has the rigidity of heavy steel plate, Coretinium floats
  • The honeycomb has impact absorbing properties and indents may not transferred from one skin to another
  • Coretinium is “springy” it can be loaded well beyond deflection limits without failure 



Coretinium can be easily processed1 using equipment common  to the composite and wood processing industries. It is particularly suited to Pod & Rail CNC machines where both saws and milling tool heads can be utilised to create tailored blanks. Further processing options include:












Though Tata Steel has also looked at various edging & joining solutions with polymer extrusions or sealants we have only begun to discover the myriad of options that can be used with Coretinium, adding functionality and enhanced performance to the composite sheet


With typically 70 to 85% of the material weight of Coretinium coming from the steel skins, the composite sheet can be regarded as steel scrap. At the end of its life Coretinium can be recycled via the steel making process without the need to separate the skins from the polymer core.




Key Success Criteria

Tata Steel is looking to partner with companies and organisations to evaluate new applications of Coretinium® across different sectors and markets.


All proposals will be considered, though applications with significant potential volume and / or high ease of adoption will be prioritised over ‘one-off’ applications.


Possible Approaches

All ideas will be considered, either utilising Coretinium® as a flat panel or that have innovative ways of processing the panel, thereby allowing new applications to be developed.


Proposals for new polymer systems would be considered, along with ideas involving filling some or all of the open honeycomb cells and concepts involving innovative edging or joining solutions.


Approaches not of interest

Technologies for which IP is owned by others, theoretical ideas with no experimental support and proposals that require engineering changes to the panel manufacturing process will only be considered in certain circumstances.



Preferred Collaboration types
  • Joint Development
  • Contract Research
  • Technology Acquisition
  • Supply Agreement
  • To Be Negotiated
Items to be submitted

We are looking for a concise abstract/executive summary.  The proposal should briefly describe the technical approach and provide information on technology performance, background and description of the responding team and their related experience.

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Point of Contact
Oliver Worsfold
Area of Interest
  • Commercial & Industrial Design
Tata Steel
Due Date
March 31, 2017
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