ADSS (All-Dielectric Self-Supporting) cables are high-performance cables designed for overhead optical fiber communication networks. These cables are widely used in various industries, including telecommunications, power transmission, and urban infrastructure. The unique structure and properties of ADSS cables make them ideal for installations where electrical conductivity is not required, and mechanical strength is a priority. This export case analysis provides insights into ADSS cables, including their parameters, structure, types, applicable scenarios, solutions, quality inspection, production standards, and export processes.

Product Parameters and Structure
Voltage Rating:No electrical conductivity, therefore not affected by high-voltage transmission lines.
Conductor Material:No metallic components, uses dielectric materials like aramid fiber for strength.
Insulation:Outer jacket made from UV-resistant, weatherproof polyethylene (PE) or low smoke zero halogen (LSZH) materials.
Operating Temperature Range:
Normal: -40°C to +70°C.
Short-term Exposure: -40°C to +85°C.
Fiber Count:Typically ranges from 4 to 144 fibers, but can be customized.
Cable Diameter:Diameter varies depending on the fiber count and structural configuration.
Mechanical Strength:
Tensile Strength: 1000 N to 3000 N.
Impact Resistance: High resistance to mechanical stress, ideal for long spans and harsh environments.
Light Transmission Characteristics:Low loss, high capacity for data transmission with minimal signal attenuation.

Structure
Central Strength Member (CSM):Typically made from aramid fibers (such as Kevlar) or fiberglass, providing high tensile strength to support the cable's weight.
Optical Fibers:Multiple fibers (single-mode or multi-mode) arranged around the central strength member. The fibers are enclosed in tubes made of loose-buffered material or gel-filled material for additional protection.
Water-Blocking Layer:A moisture-blocking layer (gel or water-swellable tape) to protect fibers from environmental elements such as water.
Outer Jacket:A robust jacket made of UV-resistant polyethylene (PE) or LSZH materials for protection against weathering, UV radiation, and environmental damage.
Aramid Fiber Strength Members:In some configurations, additional aramid fiber members are used for added strength and durability, allowing for longer cable spans without additional support.

Types of Products
Standard ADSS Cables:Designed for general overhead installations with moderate span lengths.
Heavy-Duty ADSS Cables:Suitable for installations in areas with extreme environmental conditions or longer spans, incorporating reinforced strength members for additional load-bearing capacity.
All-Dielectric with Special Coatings (LSZH/PE):For specific environments requiring low smoke or fire-resistant jackets, such as tunnels, urban areas, and facilities requiring additional safety measures.
Custom ADSS Cables:Customized fiber counts, materials, and structures to meet specific customer requirements, such as varying fiber types, jacket materials, or temperature ratings.

Applicable Scenarios
Telecommunication Networks:Used for high-speed optical communication over long distances between cities or within metropolitan areas.
Power Utility Infrastructure:Used for communication between power stations, substations, and other critical infrastructure in power distribution networks, where electrical interference could be an issue.
Urban and Industrial Installations:Ideal for installing in congested urban environments or industrial sites where underground installations are impractical or costly.
Rural and Remote Areas:Provides a cost-effective solution for areas where digging trenches for conventional cables would be too expensive or technically difficult.

Production Standards
Industry Standards:
IEC 60794-1-2: General requirements for fiber optic cables.
IEC 60794-3: Specifications for ADSS cables.
Telcordia GR-20: Specifications for outdoor fiber optic cables in telecommunications.
Certifications:
ISO 9001: Quality management certification.
ISO 14001: Environmental management certification.
RoHS Compliance: Environmentally safe materials.
CE Certification: Compliance with European Union standards.

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