Non-Toxic Fire Retardant

Non-Toxic Fire Retardant
An eco-friendly fire retardant coating made of renewable, non-toxic materials could provide even better fire protection than current options.

Developed by a team from Texas A&M and KTH of Sweden, the coating is made up of cellulose nanofibrils from plants and nanoplatelets of vermiculite clay. The coating is applied as a liquid, where it then dries with the fibers and plates stacked to form a fire-resistant, oxygen barrier. In tests, the non-toxic coating protected a sample of polyurethane foam, with damage only to the surface level, while unprotected samples melted immediately.

Image Credit: U.S. Air Force/Craig Denton

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