1. Optical Fiber: Core Material:Polymety l - Methacrylate Resin Cladding Material:Fluorinated Polymer Core Refractive Index:1.49 Refractive Index Profile:Step Index Numerical Aperture:0.5 Core Diameter:Min.920μm;Typ.980μm;Max.1040μm Cladding Diameter:Min.940μm;Typ.1000μm;Max.1060μm 2.Number of Fibers 2 3.Jacket Material and Color:Chlorinated Polyethylene, Black Diameter:Minor Axis Min.2.13mm;Typ. 2.20mm;Max.2.27mm Diameter:Major Axis Min.4.2mm;Typ.4.3mm;Max4.4mm Indication on the Jacket: E89328-C MITSUBISHI RAYON AWM 5310 80C VW-1 4.Approximate Weight:12 g / m 5.Maximum Rating Storage Temperature:No Physical Deterioration -55~+85℃ Operation Temperature:-55~+85℃ Operation Temperature under 95 %RH:+75℃ 6.Optical Properties Transmission Loss:[ 650 nm Collimated Light ] 170dB / km Transmission Loss under 95 %RH:[ 650 nm Collimated Light ] 190dB / km 7.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [ Quarter bend ] 25mm Repeated Bending Endurance:Loss Increment =< 1 dB [ in Conformity to the JIS C 6861 ] 5,000Times Tensile Strength:[Tensile Force at 5% Elongation; in Conformity to the JIS C 6861 ] 140N Twisting Endurance:Loss Increment =< 1 dB [ Sample Length : 1 m Tensile Force : 4.9 N ] 5Times Impact Endurance:Loss Increment =< 1 dB [ in Conformity to the JIS C 6861 ] 0.4N.m