Cubic Structure Aluminium Metals For High-Strength Applications Product Description: Product Overview: Aluminium Fluoride Aluminium Fluoride is a chemical compound that is widely used in industrial production. It is also known as Aluminium Fluoride, Aluminium trifluoride, or simply AlF3. This off-white/white colored compound has a refractive index of 1.35, making it a useful material for various applications. Aluminium Fluoride is composed of aluminium, fluorine, and oxygen.