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.
Flame retardant hydraulic oil. General petroleum-based hydraulic oil used in hydraulic system having risk of ignition or fire. Phosphoric acid ester system, water - glycol system etc. known for use in aircraft are available. Special material, seal packing, paints etc. are used depending upon type of hydraulic oil.