• Model NO.：GYXTW
• Certification：RoHS, ISO9001
• Loose Tube Material：PBT
• Outer Sheath Color：Black
• Installation Style：Duct & Aerial
• Armour Material：Corrugated Steel Tape
• Stranding Member：Steel Wire or FRP
• Fiber Type：Fiber Optic Cable
• Transport Package：Wooden Drum
• Specification：ROHS, CE
• Trademark：TW-SCIE or OEM
• Origin：Guangdong Dongguan
• HS Code：854470000
• Production Capacity：200km Per Day

Technical parameter of ITU-T G.652D (B1.3) single-mode optical fiberCharacteristicsConditionsSpecified ValuesUnitsOptical Characteristics   Mode field diameter (MFD)1310nm
1550nm9.2±0.4
10.4±0.8µm
µmCut-off wavelength (λcc) ≤1260nmAttenuation coefficient1310nm
1383nm
1550nm<0.35
<0.35
<0.22dB/km
dB/km
dB/kmMacro bending lossφ75mm, 100circles, at 1550nm≤0.1dBAttenuation non-uniformity ≤0.05dBDispersion coefficient1288~1339nm
1271~1360nm
1550nm≤3.5
≤5.3
≤18Ps/(nm.km)
Ps/(nm.km)
Ps/(nm.km)Zero dispersion wavelength 1300~1324nmMax zero dispersion slope ≤0.093Ps/(nm².km)Group index of refraction (typical value)1310nm
1550nm1.466
1.467 Geometric characteristic   Cladding diameter 125.0±1.0µmCore/cladding concentricity error ≤0.8µmCladding non-circularity ≤1.0%Coating diameter 245.0±10µmCladding/coating concentricity error ≤12.0µmCoating non-circularity ≤8%Diameter of colored coating 250.0±15µmMechanical characteristic   Curling (radius) ≥4mProof stress >0.69GpaCoating strip forceAverage value
Peak value1.0-5.0
1.3-8.9N
NDynamic stress corrosion susceptibility parameter (n_d value) ≥20 
Cable Structure:
   


Cable Design:DescriptionModel NoGYXTW1. Fiber count4-1820-242. Cable Diameter7.4±0.2mm8.0±0.2mm3. Cable Weight56KG69KG4. Loose Tube -MaterialPBT-Outer diameter2.0 mm2.6mm-Thickness0.3mm-Type of filling compoundJelly5.Strength member -MaterialSteel wire-Outer diameter1.0 mm-Number2 pcs6.Armor -MaterialCorrugated steel tape7. Water-blocking system -MaterialFilling Compound8.Outer Sheath -MaterialHDPE-Thickness1.8mm±0.2mm9. Sheath marking -Type of markingLaser printing
Cable Performance:

Item	Testing	Test Method	Test Result
1	Tensile strength IEC 60794-1-E1	Long-term:1500N Short-tern: 600N Cable length: ≥50m	Loss change≤0.1dB@1550nm No fiber break and no sheath damage
2	Impact IEC 60794-1-E4	Height: 1m Weight: 1kg Impact spot: ≥5 Impact cycle: at lease 3 cycle per spot	Loss change≤0.1dB@1550nm No fiber break and no sheath damage
3	Repeated Bending IEC 60794-1-E6	Bending diameter: 25X the cable outer diameter Applied load: 25kg Bending cycle: 30times Bending speed: 1 cycle per 2s	Loss change≤0.1dB@1550nm No fiber break and no sheath damage
4	Torsion IEC 60794-1-E7	Torsion length: 1m Applied load: 25kg Torsion angle: ±90 or +180 Twist cycle: ≥10 times	Loss change≤0.1dB@1550nm No fiber break and no sheath damage
5	Water Penetration IEC 60794-1-F5B	Water height: 1m Cable length: 3m Keeping time: 24hours	No water leaked from the opposite end of cable
6	Temperature IEC 60794-1-F1	Temperature step:+20°C->-40°C°C >+70°C->+20°C Keeping time: 24hours per each step Cycle:2times	Loss change≤0.1dB@1550nm No fiber break and no sheath damage
7	Compound flow IEC 60794-1-E14	Sample length: 30cm Temperature: 70ºC±2ºC Keeping time: 24hours	No compound flow
8	Sheath high voltage test	On line test DC 12t kV(t-sheath thickness mm)	No sheath broken down

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