DuPont launches its highest level of protection for firefighters

Published:  27 June, 2014

Nomex 3DP outer shell made from two layers of fabric woven using a patented weaving structure.

The new patented outer shell fabric is the latest innovation from DuPont and completes its Nomex portfolio.

According to the company, the integrated fabric technology provides extended escape time and gives extra seconds of wearer safety in situations where every second counts, while offering high comfort levels.

Nomex 3DP outer shell fabric comprises two layers of fabric woven together using a weaving structure named and patented by DuPont as ‘Flux Technology’.

The inner layer consists of DuPont Kevlar with an outer layer of DuPont Nomex. With different thermal shrinkage patterns, each layer reacts differently to heat flux, triggering increased levels of insulation. When a heat flux hits the outer layer of DuPont Nomex the fibre reacts and thickens to increase the insulation barrier while the inner layer of DuPont Kevlar offers high mechanical strength, providing three-dimensional protection and giving extra seconds of safety.

The ‘intelligent’ weaving structure provides a garment that is breathable, comfortable and flexible, says DuPont, adding that this solution also optimises durability and mechanical strength to enable longer wear-life and lower repair and replacement costs, while retaining excellent aesthetics in use.

Turnout gear made with the new fabric has undergone an extensive 12 month wear trial, across different fire brigades located in three different countries. Mr Hans Wetzel, Senior Fire Officer of the Reutlingen Fire Brigade in Germany, explained: “We tested it to its limits, including laundering processes, various exercises and wood fire container tests. The garment and the outershell were comfortable to wear and work in and the heat protection was excellent. We wouldn’t hesitate to wear this garment in any fire fighting situation.”

Frederique Favier, Application Development Leader Nomex Personal Protection, commented: “In conjunction with the wear trials, we also tested garments made from Nomex 3DP using DuPont Thermo-Man, one of the most advanced thermal burn injury evaluation devices in the world. The results revealed that Nomex 3DP was able to provide excellent protection with very low burn rates, providing increased time for firefighters to make a safe escape.”

  • Operation Florian

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