1.Optical Fiber Core Material:Polymety l - Methacrylate Resin Cladding Material:Fluorinated Polymer Core Refractive Index:1.49 Numerical Aperture:0.5 Refractive Index Profile:Step Index Core Diameter:Min.1840μm;Typ.1960μm;Max.2080μm Cladding Diameter:Min.1880μm;Typ.2000μm;Max.2120μm 2.Approximate Weight 4g / m 3.Maximum Rating Storage and Operation Temperature:-55~+70℃ Operation Temperature under high humidity:[ 95 %RH] + 60℃ 4.Optical Properties Transmission Loss:60nm Collimated Light ] [ Standard condition ] [ 10 m - 1 m cutback ]200 dB/km 5.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [ Quarter bend ] 40mm Tensile Strength:[Tensile Force at Yield Point] [ JIS C 6861] 224N