Nitrogen Use in Aerosols
Nitrogen Use in Aerosols Introduction An aerosol is any such substance enclosed under pressure and released as a fine spray by the means of a propellant gas. Common examples of aerosol products include deodorant sprays, pesticide sprays, hair sprays, shaving foams and the like. Components of an Aerosol An aerosol formulation mainly consists of two components, namely: (1 the product concentrate, and 2) the propellant. The product concentrate is the actual product, the active ingredient in the aerosol, combined with other additional ingredients and co-solvents which are there to make a stable and efficacious product. The product concentrate can be a solution, suspension, emulsion, semisolid or powder. The propellant is the gas which provides the force to expel the product concentrate from the container and is also responsible for the delivery of the formulation in the proper form (i.e. spray...