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    ESKA-BH4001 High-Temp Heat Resistant耐高溫塑膠光纖被覆線
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    ESKA-BH4001

    1. Scope
            The specification covers basic requirements for the structure and optical performances of BH-4001.
    2. Structure
            Table 1
    Item Specification
    Unit Min. Typ. Max.
    Optical Fiber Core Material - Polymethyl-Methacrylate Resin
    Cladding Material - Fluorinated Polymer
    Core Refractive Index - 1.49
    Refractive Index Profile - Step Index
    Numerical Aperture - 0.58
    Core Diameter um 920 980 1,040
    Cladding Diameter um 940 1,000 1,060
    Jacket Material - Crosslinked Polyethylene
    Color - Black
    Diameter Mm 2.13 2.18 2.23
    Approximate Weight g/m 4
    Indication on the Product - None
     3. Performances
            Table 2
    Item Acceptance Criterion
    and/or
    [Test Condition]
    Specification
    Unit Min. Typ. Max.
    Maximum
    Rating
    Storage
    Temperature
    No Physical Deterioration
    [in a Dry Atmosphere]
    -55 - +105
    Operation
    Temperature
    No Deterioration
    In Optical Properties*
    [in a Dry Atmosphere]
    -55 - +105
    No Deterioration
    in Optical Properties**
    [under 95%RH condition]
    - - +85
    Optical
    Properties
    Transmission Loss
    [650nm Collimated Light]
    [25℃ 50%RH] dB/km - - 200
    [Operation Temperature] dB/km - - 250
    Mechanical Characteristics Minimum Bend Radius Loss Increment ≦0.5dB
    [A Quarter Bend]
    mm 15 - -
    Repeated Bending Endurance Loss Increment≦1dB
    [in Conformity to the
    JIS C 6861]***
    Times 1,000 - -
    Tensile Strength Tensile Force at 5% Elongation; [in Conformity to the JIS C 6861] N 70 - -
    Twisting Endurance Loss Increment≦1dB
    [Sample Length : 1m
    Tensile Force : 4.9N]
    Times 5 - -
    Impact Endurance Loss Increment≦1dB
    [in Conformity to the
    JIS C 6861]
    Nm 0.4 - -
            All test are carried out under temperature of 25℃ unless otherwise specified
    *      Attenuation change shall be within +/- 10% after 1,000 hours.
    **    Attenuation change shall be within +/- 10% after 1,000 hours, except that due to absorbed water.
    ***  Bend Angle +/-90。,Bend Radius 15mm, Tension 500g.