What is the principle of explosion-proof film for building glass?

The key to improving the explosion-proof performance of glass is to mitigate external impact forces, primarily achieved through several aspects:

1. Utilizing the adhesive layer and metal coating to enhance the rigidity of the glass, which helps to distribute the impact force across the surface. Metals are known for their good ductility and toughness, so the metal coating can effectively offset and disperse the impact. Even if the glass shatters, the metal material within the glass film generates a tensile force and, together with the adhesive layer, holds the glass fragments in place, preventing them from splintering and effectively ensuring personal and property safety.

2. By allowing the unique particles within the film's interlayer to slide against each other, it dissipates the impact energy transmitted through the glass to the safety film, providing a buffer against most impacts and creating unique impact resistance. Furthermore, the longer the film is adhered, the stronger the bond between the film and the glass becomes. It has been estimated that this can enhance the glass's strength by 2-7 times, effectively preventing glass from shattering and causing injuries due to external impacts.

3. The primary material composing the film, polyester-based film, is known for its heat resistance, durability, high toughness, moisture resistance, and resistance to extreme temperatures. It can significantly absorb external impact forces, achieving a safety effect.