GYFTZY Fiber Optic Cable is an all-dielectric, non-metallic loose tube cable designed for power line corridors, high-EMI environments, and direct duct/aerial installations. Built with FRP strength members and LSZH/UV-resistant PE flame-retardant sheathing, it guarantees zero electromagnetic interference and 25+ years of operational stability.
Engineering Advantages
Zero-EMI & Lightning Proof: All-dielectric FRP strength member eliminates electrical induction. Safe for co-location on utility poles up to 500kV without grounding.
Substation Flame Resistance: Flame-retardant LSZH/PE sheath self-extinguishes, enabling direct outdoor-to-indoor transition into substations without splicing.
Dual Moisture Barrier: Water-blocking gel in loose tubes plus dry swelling tape prevents longitudinal water penetration per IEC 60794-1-2 F5.
Stress-Balanced Architecture: SZ-stranded structure prevents micro-bending loss during high-tension cable pulling.
Cable Construction
Fiber Reinforced Plastic (FRP) rod for zero electrical conductivity.
PBT tubes containing color-coded fibers and thixotropic water-blocking compound.
Dry swellable water-blocking tape wrapped around the core matrix.
Flame-retardant, UV-resistant high-density PE or LSZH compound.
Factory Quality Assurance & Compliance
To ensure reliable performance in harsh field operations, every drum undergoes rigorous factory acceptance testing (FAT):
|
Optical Attenuation Test |
100% OTDR verification at 1310nm & 1550nm before and after jacketing (Loss ≤ 0.35 dB/km @ 1310nm). |
|
Mechanical Tensile & Crush Testing |
Verified per IEC 60794-1-2 Method E1 & E3. |
|
Water Penetration Test |
1-meter water head for 24 hours per IEC 60794-1-2 Method F5B. |
|
Temperature Cycling |
-40°C to +70°C thermal chamber testing per Method F1. |
OEM / ODM Capabilities
We support custom manufacturing tailored to local utility and telecom standards:
Sheath Customization
Sheath printing with customized meter mark, client logo, and PON coding every 1 meter.
Jacket Variations
Standard Black PE, LSZH (Low Smoke Zero Halogen), or custom color-coded sheaths.
Packaging Engineering
Fumigated solid wooden drums or steel-wooden hybrid drums (2km, 3km, 4km per reel ±5% length tolerance).
Purchasing & Logistics Specifications
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Minimum Order Quantity (MOQ) |
2 km |
|
Standard Lead Time |
7–15 days (Express production for tender deadlines) |
|
Payment Terms |
T/T, L/C at sight |
|
Shipping Ports |
Guangzhou / Shenzhen Port, China |
|
Export Documentation |
Certificate of Origin (Form E/CO), Mill Test Certificate (MTC), Factory Inspection Report, Bill of Lading. |
Key Attributes
|
Brand Name |
Sheng Tang |
Model Number |
Stranded Loose Tube Fiber Optic Cable GYFTY |
|
Type |
Outdoor Fiber Optic Cable |
Place of Origin |
Guangdong, China |
|
Number of Conductors |
≥ 10 | Core | 2 to 144 |
| Jacket Material | HDPE | Fiber Type | SM/MM |
| Strength member | FRP | Temperature range | -40~+60℃ |
| MOQ | 2Kilometer | Application | outdoor/aerial/duct |
| Port | GUANGZHOU | Place of Origin | Guangdong, China (Mainland) |
Packaging And Delivery
| Packaging Details | Wooden Drum,70X70X55 cm | Port of dispatch | GUANGZHOU,SHENZHEN |
| Selling Units | Single item | Single package size | 70X70X55 cm |
| Single gross weight | 0.070 kg | Packaging examples |  |
Supply capacity
| Supply Ability | 1000000 meters per Day |
Lead Time
| Quantity (meters) | 1 - 1000 | 1001 - 50000 | 50001 - 300000 | > 300000 |
| Lead time (days) | 7 | 12 | 25 | To be negotiated |
Customization options
| Option | Min. order: | Customization fee |
|
Customized logo As requested |
1000 meters | -- |
|
Customized packaging As requested |
1000 meters | -- |
|
Graphic customization As requested |
1000 meters | -- |
Product Description
| Fiber Count (cores) | Nominal Diameter (mm) | Nominal Weight (kg/km) | Max Fiber Per Tube | Max No. of (Tubes+fillers) | Allowable Tensile Load (N) | Allowable Crush Resistance (N/100mm) | ||
| Short Term | Long Term | Short Term | Long Term | |||||
| 2~36 | 10.2 | 85 | 6 | 6 | 1500 | 600 | 1000 | 300 |
| 38~72 | 11.1 | 100 | 12 | 6 | 1500 | 600 | 1000 | 300 |
| 74~96 | 12.6 | 130 | 12 | 8 | 1500 | 600 | 1000 | 300 |
| 98~120 | 14.1 | 162 | 12 | 10 | 1500 | 600 | 1000 | 300 |
| 122~144 | 15.9 | 204 | 12 | 12 | 1800 | 600 | 1000 | 300 |
| 146~216 | 15.9 | 205 | 12 | 18(2 layers) | 2200 | 600 | 1000 | 300 |
| >144 | Available upon customer request | |||||||
FAQ
Q: What is the main structural difference between GYFTY and GYFTZY cables?
A: GYFTY uses a standard PE outer jacket for outdoor aerial or duct deployment. GYFTZY features a flame-retardant (Z) outer jacket, making it suitable for applications requiring flame resistance, such as entering substations, cable trenches, or indoor-outdoor transition points.
Q: Why choose a non-metallic (FRP) cable over steel-armored cable?
A:Non-metallic cables eliminate electrical conductivity completely. They require no grounding, resist lightning strikes, and can be installed safely on shared utility structures up to 500kV without magnetic induction or corrosion risks.
Q: Which fiber brands do you use, and what are their typical attenuation values?
A: We supply top-tier international optical fibers (YOFC, Corning, or FiberHome). Standard G.652.D attenuation is ≤0.35 dB/km at 1310nm and ≤0.21 dB/km at 1550nm, ensuring stable long-distance transmission.
Q: What is the minimum bend radius during and after installation?
A: The dynamic bend radius during installation is 20 times the cable outer diameter (20D). The static bend radius after installation is 10 times the outer diameter (10D).
Q: Can you provide factory test reports (FAT) before shipment?
A: Yes. Every shipping drum includes a factory inspection certificate containing 100% OTDR trace records, geometrical dimension measurements, and attenuation data for each fiber core.
Q: How do you protect the optical fiber drums from damage during sea transport?
A: Cables are tightly wound on export-standard fumigated wooden reels, wrapped in protective moisture-proof plastic film, and sealed with wooden battens across the outer drum circumference to prevent damage during container loading and transit.
Q: What standards do your GYFTZY cables strictly follow?
A: Our cables are manufactured in compliance with IEC 60794 series, ITU-T G.652 / G.657 standards, ISO 9001 quality management systems, and ISO 14001 environmental standards.
Q: What exact specifications should I provide to get an official quote?
A: Please specify the total fiber count, fiber type (e.g., G.652.D), required sheath material (PE or LSZH flame-retardant), total quantity (in meters or kilometers), and destination port.
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