It involves the use of a low temperature (320 ̊C) glass preform which seals directly to the bare fiber without the need for the costly metal-lization required for soldering. Various processing methods are outlined, along with cross sections of the sealed fiber in a ferrule. While the need to properly seal fiber optic connection points is undeniable, not all seals are created equal. Many NEMA and IP-rated potted seals, grommets and cable glands can shield fiber optic components from water spray or temporary submersion at a limited depth, but they fall short of a. PAVE-Optic Seals are hermetically sealed single or multi-mode fiber-optic cables, either insulated or bare cables. First, it protects against environmental hazards such as moisture, dust, and debris that can damage delicate fiber optic cables. Effective sealing ensures the longevity and reliability of the network. Our fibre optic seals will defend against water, gas, rodents, and other destructive hazards. As well as our extensive portfolio of. Conax Technologies has adapted our proven soft sealant capability to include the ability to compress a soft sealant material around the outside diameter of a fiber optic cable.