Chemical bonding mainly refers to the application of a liquid binder to the fibres. This technology is used for multiple uses, such as: the automotive industry, the medical industry, filtration, cosmetics and hygiene, construction, agriculture, decoration, packaging and many others. This technology is characterized by its flexibility since it allows the application of different resins that give the non-woven different properties (colour, fire retardant, fungicide, water repellent, etc.).