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.
List of fire-retardant materials. Fire-retardant materials should not be confused with fire-resistant materials. Whilst a fire resistant material is one that is designed to resist burning and withstand heat, fire-retardant materials are designed to burn slowly. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.