Stranded Loose Tube Mining Flame Retardant Fiber Optic Cable

Stranded Loose Tube Mining Flame Retardant Fiber Optic Cable

HONE Stranded Loose Tube Mining Flame Retardant Fiber Optic Cable is specifically designed for use in mining environments where fire safety, mechanical strength, and resistance to harsh conditions are essential. Featuring flame-retardant materials, water-blocking elements, and rugged construction, this cable ensures reliable and safe fiber optic communication in underground and hazardous areas.

This mining-grade fiber optic cable is built with stranded loose tubes for flexibility and fiber protection, a flame-retardant outer sheath to meet mining safety regulations, and water-blocking materials to prevent moisture infiltration. It is ideal for underground mining, tunnels, and other extreme environments requiring both high-performance data transmission and enhanced fire resistance.

1. Structure & Design

Stranded Loose Tube Mining Flame Retardant Fiber Optic Cable structure

  • Stranded Loose Tube Construction: Protects optical fibers from mechanical stress and environmental conditions.
  • Flame-Retardant Outer Sheath: Ensures compliance with mining safety standards and prevents flame spread.
  • Water-Blocking Elements: Includes water-blocking yarns and gel-filled tubes to resist moisture infiltration.
  • High-Tensile Strength: Reinforced for durability and resistance to heavy loads in mining environments.
  • Abrasion-Resistant Jacket: Provides extra protection against harsh underground conditions, mechanical stress, and chemicals.
  • Metal-Free or Armored Versions: Available in non-metallic or armored configurations, depending on the installation requirements.

2. Applications

  • Underground Mining Networks: Designed for secure and stable data transmission in mining operations.
  • Tunnels and Subterranean Infrastructure: Suitable for communication networks in tunnels and underground facilities.
  • Harsh Industrial Environments: Ideal for applications requiring fire resistance and high mechanical durability.
  • Oil & Gas Fields: Can be used in hazardous environments where flame-retardant properties are critical.

3. Advantages

  • High Fire Safety Compliance: Meets mining industry flame-retardant and low-smoke safety standards.
  • Strong Mechanical Protection: Built to withstand rough handling and extreme underground conditions.
  • Moisture and Water Resistance: Water-blocking elements ensure long-term reliability in damp environments.
  • Durable and Long-Lasting: Resistant to chemicals, abrasion, and physical stress, making it ideal for mining applications.
  • High-Performance Optical Transmission: Provides stable and efficient data communication over long distances.

4.  FAQs

  • Is this cable suitable for hazardous underground environments?
    Yes, it is designed for mining and tunneling applications where fire safety and durability are critical.
  • Does this cable comply with flame-retardant standards?
    Yes, it meets mining industry flame-retardant and low-smoke requirements.
  • Can this cable be installed in wet or humid conditions?
    Yes, its water-blocking gel and moisture-resistant materials make it suitable for damp environments.
  • What fiber types are available for this cable?
    It can be customized with single-mode (SM) or multi-mode (MM) fibers based on network needs.
  • Is there an armored version available?
    Yes, both metallic armored and non-metallic (dielectric) versions are available to suit different mining conditions.
Specification 4 cores 8 cores 12 cores 24 cores 48 cores
Fiber Count 4 8 12 24 48
Fiber Type G.652D / G.657A1 / G.657A2 (Single Mode)
Structure Layer-stranded or Central Loose Tube + Flame Retardant Sheath
Armoring Optional Steel Wire / Steel Tape / Kevlar Yarn
Strength Member FRP / Steel Wire
Outer Jacket Material Flame Retardant LSZH / TPU (Mining-grade)
Outer Diameter (mm) 7.0 – 7.5 7.5 – 8.0 8.0 – 8.5 9.0 – 9.8 10.0 – 11.5
Approx. Weight (kg/km) 65 70 80 95 120
Flame Retardant Standard MT386-2011 / IEC 60332-1 / GB/T 18380.1-2008
Crush Resistance Short-term ≥ 2200 N/100mm; Long-term ≥ 1000 N/100mm
Tensile Strength Short-term ≥ 1500 N; Long-term ≥ 600 N
Min. Bending Radius Without Tension: 10×OD; With Tension: 20×OD
Operating Temperature -20°C to +70°C
Storage Temperature -40°C to +70°C
Application Underground Mining, Tunnel, Hazardous Areas
Standard Compliance MT/T 386, IEC 60794, ITU-T G.652, RoHS

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