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GYFTY Loose Tube Layer Stranded Non-metallic Reinforced Core Non-armored Optical Cable

Product Description:

Colored optical fibers are placed into a loose tube made  of high modulus material, which is then filled with  thixotropic water-blocking gel. The center of the cable  core contains a glass fiber reinforced plastic(FRP). The  loose tube(and filling rope)is twisted around the central  reinforcing core to form a circular cable core, with gaps  in the cable core filled with water-blocking gel. The cable  core is then extruded with a polyethylene outer sheath.


Product Feature:

The material of the loose tube itself has good resistance  to hydrolysis and high strength. 

◆Possesses good mechanical performance and  temperature characteristics. 

◆Filled with thixotropic gel inside the tube, providing  crucial sealing protection to the optical fibers. 

◆PE sheath has excellent resistance to ultraviolet  radiation. 

◆Single non-metallic central reinforcing core.


Application: Ducts, Aerial

Product Details

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Optical Characteristics


Fiber TypeAttenuation (+20℃)BandwidthNumerical ApertureCable Cut-off Wavelength
@850mm@1300mm@1310mm@1550mm@850mm@1300mm
G.652--≤0.36db/km≤0.22db/km---≤1260nm
G.655--≤0.40db/km≤0.23db/km---≤1450nm
50/125μm≤3.3db/km≤1.2db/km--≥500MHz·km≥500MHz·km0.200±0.015NA-
62.5/125μm≤3.5db/km≤1.2db/km--≥200MHz·km≥500MHz·km0.275±0.015NS-

Structural Parameters



Cable Model
(increments by 2 fibers)
Number of FibersNumber of Loose TubesNumber of Filling RopesReference Cable Weight
(kg/km)
Allowable Tensile Force Long-term/Short-term
(N)
Allowable Crush Force Long-term/Short-term
(N)
Bending Radius Static/Dynamic
(mm)
GYFTY-2~6Xn2~61476600/1500300/100010D/20D
GYFTY-8~12Xn8~122376
GYFTY-14~18Xn14~183276
GYFTY-20~24Xn20~244176
GYFTY-26~30Xn26-305076
GYFTY-32~36Xn32~366085
GYFTY-38~48Xn38~484190
GYFTY-50~60Xn50~605090
GYFTY-62~72Xn62~7260113
GYFTY-74~84Xn74~8471136
GYFTY-86~96Xn86~9680136
GYFTY-98~108Xn98~10891163
GYFTY-110~120Xn110~120100163
GYFTY-122~132Xn122~132111190
GYFTY-134~144Xn134~144120190
Storage and Operating Temperature: -40°C to +70°C.