What are the materials for the optical fiber sheath?
Domestic fiber optic sheath to PVC (polyvinyl chloride) and LSFH (low smoke halogen free) material at most, PUR (polyurethane) also hasIf you say the outside of the fiber, it's supposed to be Hytrel
Better elasticity should be TPU material.
PP, SBS, PVC and other thermoplastic elastomer made most, of course, high-grade also useful in ethylene propylene or silica gel manufacturing, that is, high cost!! Specific process production can be linked
