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VIDEO: Tyvek® 400 SFR Thermo-Man® Burn Demonstration

Posted Mar 03, 2025
Watch time: 
1:20

For a full transcript of the video, click here

Witness the protective power of Tyvek® 400 SFR for yourself in this Thermo-Man® burn demonstration from DuPont Personal Protection.

Witness the protective power of Tyvek® 400 SFR for yourself in this Thermo-Man® burn demonstration from DuPont Personal Protection.

In the video, two burn demonstrations are compared side-by-side. On the left, you see the standalone primary flame resistant (FR) coverall. On the right, you see a protective apparel ensemble featuring a Tyvek® 400 SFR coverall over top of a primary FR coverall. In both demonstrations, the thermal manikin is exposed to flame for three seconds in a fire engulfment scenario.

The video shows the Tyvek® 400 SFR garment quickly self-extinguishes after the flame source is removed, produces little to no after-flame, and does not melt or drip. This indicates that when worn as an ensemble over top of appropriate primary FR clothing, Tyvek® 400 SFR garments reduce the predicted total burn injury without negatively impacting the performance of primary FR coveralls.

Now available at MSC, Tyvek® 400 SFR is a new, innovative solution designed to help workers keep safe and stay prepared.

Previously Featured on DuPont's YouTube channel.

Video Transcript

You’re about to see a demonstration of the secondary flame resistance (SFR) of a Tyvek® 400 SFR garment ensemble using the DuPont™ Thermo-Man® thermal protection evaluation system equipped with 122 sensors.

Both of these thermal manikins are dressed in a commercial primary flame-resistant (FR) coverall made with DuPont Nomex®. On the right, a secondary flame-resistant garment made with Tyvek® 400 SFR is added to create an ensemble. The thermal manikins are exposed to flames for 3 seconds in a fire engulfment scenario.

As demonstrated, the secondary Tyvek® 400 SFR garment quickly self-extinguishes after the flame source is removed. It produces little to no after-flame and does not melt or drip.

This demonstration indicates that when worn as an ensemble over top of appropriate primary flame-resistant protective clothing, Tyvek® 400 SFR garments reduce the predicted total burn injury without negatively impacting the performance of primary FR coveralls like those made with DuPont Nomex®.

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For more than 50 years, DuPont Personal Protection (DPP) has been creating groundbreaking solutions that protect industrial professionals around the globe. DPP brings together some of the most trusted names in personal protective equipment (PPE)—Tyvek®, Tychem®, Nomex® and Kevlar®—to provide unparalleled solutions that protect workers against chemical, thermal, electric arc, mechanical and other workplace hazards.

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