CN



  • 紧缓冲耐火光缆

    Name:Tight Buffer Fire Resistant Fiber Cable

    Operating wavelength Mode Field Diameter Cladding Diameter Coating Diameter

  • Description:



    Fiber Parameters

    No.

    Items

    Unit

    Specification

    SM

    1

    Operating wavelength

    nm

    1310

    nm

    1550

    nm

    1625

    2

    Mode Field Diameter

    1310nm

    μm

    (8.6~8.8)±0.4

    1550nm

    μm

    9.8±0.5

    3

    Cladding Diameter

    μm

    125±0.7

    4

    Coating Diameter

    μm

    245±7

    5

    Max attenuation Tight buffer

    1310nm

    dB/km

    ≤0.4

    1550nm

    dB/km

    ≤0.3

    6

    Max attenuation Loose tube

    1310nm

    dB/km

    ≤0.37

    1550nm

    dB/km

    ≤0.22

    1625nm

    dB/km

    ≤0.25


    No.

    Items

    unit

    Specification

    OM1

    OM2

    OM3

    OM4

    1

    Operating wavelength

    nm

    850

    nm

    1300

    2

    Core Diameter

    μm

    62.5±2.5

    50±2.5

    50±2.5

    50±2.5

    3

    Cladding Diameter

    μm

    125±2

    125±1

    125±1

    125±1

    4

    Coating Diameter

    μm

    245±10

    242±7

    242±7

    242±7

    5

    Max attenuation Tight buffer

    850nm

    dB/km

    3.5

    3.5

    3.5

    3.5

    1300nm

    dB/km

    1.5

    1.2

    1.2

    1.2

    6

    Max attenuation Loose tube

    850nm

    dB/km

    3.2

    2.8

    2.8

    2.8

    1300nm

    dB/km

    1.0

    0.9

    0.9

    0.9


    Cable Parameters

    Items

    Specifications

    Fiber Count

    4

    Tight-buffered Fiber

    Dimension

    850±50μm

    Material

    PA/Hytrel/LSZH

    Color

    Blue、Orange、Green、Brown

    Strength MemberⅠ

    Specifications

    6*1580D

    Material

    Aramid Yarn

    Strength MemberⅡ

    Dimension

    0.5mm

    Material

    FRP

    Inner Jacket

    Dimension

    4.7±0.1mm

    Thickness

    SHF1/SHF2/SHF2

    Color

    Black

    MetallicArmor

    Material

    Galvanized Steel Wire

    Diameter of wire

    0.2mm

    Coverage

    85% Min.85%

    Outer Jacket

    Dimension

    7.6±0.2mm

    Material

    SHF1/SHF2/SHF2

    Color

    MM Orange

    SM Yellow


    Mechanical and Environmental Characteristics

    Items

    Unite

    Specifications

    Tension(Long Term)

    N

    300

    Tension(Short Term)

    N

    600

    Crush(Long Term)

    N/10cm

    300

    Crush(Short Term)

    N/10cm

    1000

    Min. Bend Radius(Dynamic)

    mm

    20D

    Min. Bend Radius(Static)

    mm

    10D

    Installation Temperature

    -10~+60

    Operating Temperature

    -10~+70

    Storage Temperature

    -20~+70


    1. Fiber cable mechanical performance

    1) Tensile Strength

    Test Method: IEC 60794-1-2 E1

    Test Length: ≥50m

    Chuck Diameter: 250mm

    Tensile Rate: 10mm/min

    Tensile Loading: Long Term 300N;Short Term600N

    Test Condition: Short- term loading duration: 30 minutes; Short- term loading duration: 5 minutes

    Acceptance criterion: Single mold the smallest change less than 0.2dB; Multimode mold the smallest change less than 0.3dB


    2) Squash

    Test Method: IEC 60794-1-2 E3

    Test Condition: 1000 N/ 10cm, Lasting 1 minutes

    Acceptance criteria: Single mold change less than 0.2dB; Multimode mold change less than 0.3dB

    No sheath broken and fiber cracked


    3) Impact

    Test Method: IEC 60794-1-2 E4

    Hammer height: 150mm

    Impact Weight: 20N

    Impact Weight: 3 times, Spacing of each impact point

    Single mold change less than 0.2dB; Multimode mold Change less than 0.3dB


    4) Repeated bending

    Test Method: IEC 60794-1-2 E6

    Chuck Diameter: 200mm

    Bending times: 1000 times

    Acceptance criteria: Single mode less than 0.2 dB; Multimode mode less than 0.3 dB


    5) Winding

    Test Method: IEC 60794-1-2 E8

    Cycle times: 1000

    Loading speed: cycle/minute

    Wheel diameter: 100mm

    Loading: 40N

    Acceptance criteria: Single Mode change less than 0.2dB; Multimode mode change less than 0.3dB


    2. Fiber cable environment performance

    1) Temperature attenuation characteristics

    Test method: IEC 60794-1-2 F1

    Test Temperature: low temperature -20℃, high temperature +70℃

    Retaining time each temperature 8h

    Cycle times: 2

    Accept criteria: Single Mode change less than 0.3dB; Multimode mode change less than 0.5dB

    2) Combustion performance

    Fire resistance: IEC 60331-25

    Flame resistance: IEC 60332-1-2

    The tendency to spread: IEC 60332-3-22

    Halogen content: IEC 60754-1

    Smoke density: IEC 61034-2


    3. Fiber cable identification

    Outer sheath marked with black identification, the interval is 1m, Identification is as follows, Other information can provide according to customer requirements

    1) Fiber cable type and fiber core number

    2) Name of manufacture

    3) Year of manufacture

    4) Length Identification