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Ballistics & Blast

DefenCell is a containment system for a variety of fill materials, usually selected for their availability or to meet particular protection requirements. The type and quality of the fill material, the amount of compaction and the moisture level will all affect the ballistic performance. In most cases sand or fine aggregate has been used for controlled testing in order to give a consistency of comparable results.

The cellular structure of DefenCell dissipates energy from blasts across the length and depth of the barrier offering superior protection compared to simple mono-cell containment systems and the internal cells of the structure retain a significant proportion of the strength and protective capabilities if only the external cells are damaged.

Threat	Location	Result
Ballistics (to 14.5mm)	Wiltshire Ballistics UK
Ballistics (to 0.50")	Wiltshire Ballistics UK
Ballistics (to 25mm)	H P White USA
Ballistics (to 0.50")	ERDC USA	No penetration
Blast - shaped charge	Spadeadam	No penetration
Blast - cased charge	Spadeadam	No penetration
Blast - EPW	Spadeadam	No penetration
Blast - Indirect Fire	ERDC USA	No penetration
Blast - Large Breaching	ERDC USA	No breach

Full details of any of these tests are available on request and subject to appropriate security clearance.

Vehicle Barriers

An ongoing series of Vehicle Crash tests has been carried out over the last four years in both the US and UK. These tests continue to show that various configurations of DefenCell barriers and Profile provide very effective stopping power and the ability to retain a vehicle thereby preventing a breach and possible secondary attack. The cellular structure very effectively dissipates the vehicle energy along the length of the barrier.

K12 Barrier	Karco, CA, USA
PAS68 barrier - T4, Mk1	TRL, UK
PAS68 barrier - T4, Mk11	TRL, UK
PAS68 barrier - T3	TRL, UK
PAS68 barrier - MC	TRL, UK
PAS68 barrier - Profile 1.25	TRL, UK
PAS68 barrier - Profile 1.50	TRL, UK

Full details of any of these tests are available on request and subject to appropriate security clearance.

Flood

DefenCell has been successfully tested at the US Army Corps of Engineers, Engineer Research and Development Center (ERDC) at Vicksburg, Mississippi, USA and as a result has been adopted as resilient and effective temporary or long term barrier for Flood Control and Disaster Management. The test programme covered a range of static and dynamic tests as well as reviewing installation and removal times and the results were entirely positive.

Recent successful 'real life' tests in Smithland, Kentucky and Selkirk, Ontario have verified the laboratory tests and illustrated the practical advantages of the DefenCell Flood Protection system.

ERDC, CHL

Vicksburg, MS, USA

Environmental & Operational

The Terram and Typar geotextile fabrics used to make DefenCell have been proven in practical installations around the globe for many years. Developments in the properties of the materials and their integration into the finished products have ensured increased strength and durability.

In addition to the laboratory tests detailed here, DefenCell is constantly undergoing controlled long term testing in both UK and USA as well as practical testing in some of the most inhospitable areas of the world, notably at Camp Bastion in Afghanistan where the Ammunition Supply Point, built entirely from DefenCell, is still in excellent condition nearly five years after installation.

High Temperatures	Environ Laboratories
Low Temperatures	Environ Laboratories
Direct Sunlight	Environ Laboratories
UV Degradation	Environ Laboratories
Blowing Sand	Environ Laboratories
Contamination by Fluids	Environ Laboratories
Mildew Fungus	Environ Laboratories
Corrosion Resistance	Environ Laboratories
Humidity	Environ Laboratories
Fire Safety Performance	Intertek Report
Permeability	ERDC report
Deployment	ERDC report	'Easy to construct'
Static/Dynamic Load	TU Clausthal	N/A

Full details of any of these tests are available on request.