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. 456μm;Typ. 486μm;Max.516μm Cladding Diameter:Min.470μm;Typ.500μm;Max.530μm 2.Jacket Material and Color:Polyethylene : Black Diameter:Min. 0.95 mm;Typ.1.00 mm;Max.1.05 mm Indication on the Jacket:White Stripe 3.Indication on the Jacket:1 g / m 4.Maximum Rating Storage Temperature:No Physical Deterioration [ in a Dry Atmosphere ] -55~+105℃ Operation Temperature:[ in a Dry Atmosphere ] -55~+105℃ Operation Temperature in a Moist Atmosphere:[ under 95 %RH ] +85℃ 5.Optical Properties Transmission Loss:[6 5 0 nm Collimated Light ] 250dB/km Transmission Loss under 95 %RH:[6 5 0 nm Collimated Light ] 300dB/km 6.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [ A Quarter Bend ] 15mm Repeated Bending Endurance:Loss Increment =< 1 dB [ in Conformity to the JIS C 6861 ] 10,000Times Tensile Strength:[Tensile Force at 5?ì Elongation; in Conformity to the JIS C 6861 ] 18N 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 ]