Fully compliant with CSA Z96-22 Class 1, Level 2 Fully compliant with ANS/ISEA 107-2020 Type O, Class 1, ASTM D6413 (FR) Tested in accordance with test method CAN/CGSB-4.2 No.27.10 & ASTM D6413 flame resistance, self-extinguishing for momentary contact with an open flame 2" Vi-brance