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GYTA Tube Layer Stranded 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 metal strength member. The loose tube (and filling rope)is twisted around the central strength  member to form a circular cable core, with gaps in the  cable core and between the cable core and steel tape  filled with water-blocking gel. After being longitudinally  wrapped with aluminum tape, the cable is extruded with  a polyethylene sheath.


Product Feature:

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

◆ Filling the tube with thixotropic gel provides  critical sealing protection for the optical fibers. 

◆ PE sheath has excellent resistance to ultraviolet  radiation. 

◆ A single steel wire central strength member  contributes to the parallelism and tensile strength of the  optical cable. 

◆ Possesses good mechanical performance and  temperature characteristics. 

◆ Moisture-resistant layer of plastic-coated aluminum  tape


Application: Duct, Aerial, Direct Burial

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)
GYTA-2~6Xn2~61476600/1500300/100010D/20D
GYTA-8~12Xn8~122376
GYTA-14~18Xn14~183276
GYTA-20~24Xn20~244176
GYTA-26~30Xn26-305076
GYTA-32~36Xn32~366085
GYTA-38~48Xn38~484190
GYTA-50~60Xn50~605090
GYTA-62~72Xn62~7260113
GYTA-74~84Xn74~8471136
GYTA-86~96Xn86~9680136
GYTA-98~108Xn98~10891163
GYTA-110~120Xn110~120100163
GYTA-122~132Xn122~132111190
GYTA-134~144Xn134~144120190
GYTA-146~216Xn146~21613-185-0190
GYTA-288Xn288240239
Storage and Operating Temperature: -40°C to +70°C.