What is the function of Cross linking?

[quantumleap]

Cross-linking is used to refer to the process of linking one site to another site and provide a way to allow the accessing to it. - It doesn't need to be owned by the same person as it provides the methods that have been built on the Internet.

Introduction.
Chemical cross-linking has been widely used to alter the physical properties of polymeric materials, the vulcanization of rubber being a prototypic example.
Linking of polymer chains through chemical linkages gives a material a more rigid structure and potentially a better-defined shape.