ASTM D6413

Each individual layer of the group must be tested separately.
Fabric tags specifying that they must be washed must be tested before and after 100 wash and dry cycles.
The flame exposure time is 12 seconds.
After flame exposure and allowing the fabric to cool, the appropriate weight must be hung to provide the sufficient tear force.

Both the fabric and the reflective tapes used in flame resistant garments must have a charred length of less than or equal to 100 mm (4 inches) as well as a post-incandescence of no more than 2 seconds. The fabric cannot drip or melt. The gas used must be methane.