| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical fiber cable that suppresses sticking by cicadas by a jacket itself without using a protection body etc., has flame retardancy and has the jacket to be easily torn. SOLUTION: The optical fiber cable has a main portion 2 and a support wire portion 3 coupled to each other through a neck portion 4 which is easy to cut, and the main portion 2 has tension members 6 arranged on both sides of coated optical fibers 5, 5' and collectively coated with a jacket 7, and also has notches 8 for jacket tearing provided on both side faces 7a. The jacket 7 is composed of a base resin obtained by compounding a polypropylene resin or high-density polypropylene resin, and one of an ethylene-ethyl acrylate copolymer resin, a crystalline olefin-ethylene butene-crystalline olefin copolymer resin, a styrene-ethylene butene-styrene block copolymer resin, and a styrene-ethylene butene-crystalline olefin copolymer resin. Metal hydroxide and a phosphorus-based flame retardant are compounded with the base resin. COPYRIGHT: (C)2011,JPO&INPIT
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