Also known as: fr.
FR has various meanings in the Fabric category. Discover the full forms, definitions, and usage contexts of FR in Fabric.
The ability of insulation or jacketing material to resist the support and conveyance of fire. The resistance to burning of material that will not withstand combustion under ordinary conditions, means not susceptible to combustion to the point of propagating a flame, beyond safe limits, after the ignition source is removedÂ
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