Flame Spread
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Flame Spread
(1) Per ASTM E 84, a measure of relative combustibility. The flame spread of a tested material is rated relative to asbestos cement board (flame spread = 0) and red oak flooring (flame spread = 100).
(2) Unit of measure generated by a standard test for determining relative combustibility. The flame spread of a tested material is rated relative to red oak (flame spread = 100). ASTM = E84 is the test method used to determine the above.