In fiber production, such as the manufacturing of glass fibers, silanes like DYNASYLAN® are used at multiple stages of the process. Glass fibers are produced in large glass melting furnaces that can hold several hundred tons of molten glass. The molten glass is drawn through extremely thin nozzles to create long and very fine filaments. These filaments are so thin that they are highly sensitive and prone to breakage. To make the fibers stable enough for further processing, they are coated with silanes at this early stage. This coating prevents the fibers from breaking, even at production speeds of up to 20 meters per second. Once the fibers are assembled into larger fabrics, their surfaces are further modified with silanes to ensure that the fibers interact effectively with polymers and resins in later applications. Silanes thus ensure a balance between protection during processing and compatibility in the final composite product.