Flame retardant buffer tubes for loose tube cables

An optical fiber cable including a central strength member extending along a longitudinal axis of the optical fiber cable and a plurality of buffer tubes that are wound around the central strength member. Each of the plurality of buffer tubes includes a first material having a modulus of elasticity...

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Bibliographic Details
Main Authors Feng, Jie, Hurley, William Carl, Richter-Bühling, Martina Petra
Format Patent
LanguageEnglish
Published 03.01.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An optical fiber cable including a central strength member extending along a longitudinal axis of the optical fiber cable and a plurality of buffer tubes that are wound around the central strength member. Each of the plurality of buffer tubes includes a first material having a modulus of elasticity of at most 600 MPa at room temperature and a peak heat release rate (PHRR) of at most 300 kW/m2 as measured according to ASTM E1354. A cable jacket is disposed circumferentially around the plurality of buffer tubes and extends along the longitudinal axis.
Bibliography:Application Number: US202117395993