Quick overview: Fiber optic cable jackets are made from PVC, LSZH, PE, or TPU. OFNP is for plenum air-handling spaces; OFNR is for vertical risers. Outdoor plant uses UV-stabilized PE. Armor adds rodent and crush protection for direct burial. By Marcus. Choosing the appropriate outer sheath material for fiber optic cables is crucial for ensuring the cable's durability, protection, and performance under specific environmental conditions. GL FIBER here's a guide to help you choose the right outer sheath material: 1. These compounds are designed to withstand environmental stressors, and heat deformation, and track. In reality, cable sheath selection has a direct impact on fire safety, outdoor durability, installation flexibility, and long-term maintenance cost.
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