A gel is an apparently solid, jellylike material formed from a colloidal solution. By weight, gels are mostly liquid, yet they behave like solids. An example is gelatin.
In fiber-optic communications, a gel resembling petroleum jelly[?] in viscosity is used to surround a fiber, or multiple fibers, enclosed in a loose buffer tube. This gel serves to lubricate and support the fibers in the buffer tube. It also prevents water intrusion if the buffer tube is breached. Gels are also used in fiber-optics as index-matching materials.
... Sun".
This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might wan ...