Glossary

Said of a steel plate whose longitudinal edges have been prepared by oxygen cutting.

A rough-textured finish that results from applying a flame to the surface of a stone containing abundant silica. Also called

The leading edge of a flame propagating through a gaseous mixture or across the surface of a solid or liquid.

The ability to withstand flame impingement or to provide protection from it.

Any chemical which, when added to a combustible material, delays ignition and reduces the spread of flame on the resulting

A fluid-applied surface covering on a combustible material which delays ignition and reduces flame spread when the covering is exposed