The HyImpact energy absorber was introduced as a C-pillar head impact countermeasure, but it can also be used in various occupant protection applications. The crush strength and shape can be designed to meet customer’s and legal requirements, and various honeycomb core/cell sizes and alloys are available.

Occupant protection  applications include Roof Lining, A, B and C Pillars, Dashboards, Foot and Lower Leg Protection, and more.

The foam used in HyImpact is an organic polyurethane material, which has been engineered to have a minimal density. This ensures that the foam does not modify the mechanical properties of the honeycomb in a significant way. Upon introduction into the honeycomb structure, the foam expands to fill each of the cells. The cells are fully filled by the foam and the excess saturates the fibrous cloth coverings thus protecting the foil edges, and providing a good surface for fixation in the vehicle.


Low HIC value
Predictable crush characteristics
Reproducible crush mechanism
Temperature stability
Sound absorbing
Design versatility


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Cellbond ISO

Cellbond is a division of Encocam Limited, a company registered in England and Wales with company number 01944904.
Registered Office: 5 Stukeley Business Centre, Blackstone Road, Huntingdon, United Kingdom PE29 6EF.

Tel: +44(0)1480 435302 Email: sales@cellbond.com

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