Symbol 2417 from ISO 7000 - Title/Meaning: Protection against heat and flame Function/description: To indicate that the clothing or material provides protection against heat and flame.
Additional information: 
Maximum temperatures may be specified.
Own work using: iso.org/obp/graphics/grs/9c3c0be5-f591-4e20-a405-52a5ac317973 200.png
Vectorization:  Mrmw