Owner of Jones Mineral Cabinet, Geology and Paleontology Supervisor, interested in Earth and Planetary sciences. #1. Clastic or Detrital Sedimentary Rocks The class(t)ic route begins with the weathering and erosion of sedimentary, igneous, or metamorphic rocks.
A flame retardant is a chemical substance that is added to materials during their manufacturing process in order to both reduce the likelihood of the finished product catching fire and slow down combustion. Source: GreenFacts.
When flame retardants are present in the material, they can act in three key ways to stop the burning process. They may work to: Disrupt the combustion stage of a fire cycle, including avoiding or delaying â flashover,â or the burst of flames that engulfs a room and makes it much more difficult to escape.