Outdoor Armored Central Loose Tube Fiber Optic Cables

Outdoor Armored Central Loose Tube Fiber Optic Cables are constructed with a central tube filled with water blocking jelly, water blocking tape over the tube giving it excellent water and moisture resistance. A corrugated steel armouring and two steel wires strengthening within the outer PE sheath give this cable excellent tensile strength, mechanical and environmental protection.They have a small diameter, is light weight and is installation friendly since they come in a single tube with loose tube fibre count up to 12 fibres. Their compact construction protect the loose tube from shrinking, the Armour makes it crush, rodent and impact resistant, the water proofing tape and jelly protects it from water and moisture, the outer PE sheath gives it ultraviolet protection.This cable is suitable for external distribution through direct-buried, ducts and  aerial deployments

Applications:

• Suitable for Outdoor, Direct-Burial, Duct, Aerial and Riser installations..
• Telecommunication Networks and FTTH Deployments.
• Suitable for Risers, vertical shafts or conduits within a building that house essential services and systems.
• Military & Defence Communication Systems.
• Oil & Gas Pipeline Monitoring.
• Rural & Remote Area Broadband Deployment.

Key Features:

• Central Loose Tube Core: Contains 2–24 fibers housed in a gel-filled or dry water-blocking buffer tube.
• Armored Protection:  Dual-layer defense with steel wire on both sides and corrugated steel tape delivers robust resistance against mechanical stress and rodent intrusion, ensuring long-term durability in harsh environments.
• UV-Resistant PE Sheath Provides excellent ultraviolet protection, ensuring long-term durability in outdoor environments. Offers high crush resistance and flexibility for rugged duct and aerial installations.
• Moisture Barrier System: Equipped with water-blocking gel or dry water-swellable tapes, ensuring long-term moisture resistance and maintaining fiber integrity in wet or flood-prone areas.

Standard:

• IEC 60794-1-2 (Optical fiber cable mechanical & environmental tests).
• ITU-T G.652.D (Single-mode fiber standard)

Physical Specifications:

Core: Multi Loose tube design (02-12 fibers)

Fiber Type: Single-mode (G.652.D) or multimode (OM3/OM4/OM5)

Loose Tubes: PBT outer Dia. 3.0mm , gel-filled (2~12 fibers/tube).

Water Resistance: Gel-filled or dry core (water-blocking tape)

Strength Member: Two Side steel wire or FRP (fiber-reinforced plastic)

Outer Sheath:  UV-resistant PE (Polyethylene) or LSZH (optional).

Mechanical & Environmental Specs:

Tensile Strength: (Long-term ≥1000 N /Short-term: ≥2500 N)

Crush Resistance: ≥2500 N/10cm

Bending Radius (Static/Dynamic): 20× / 10× cable diameter

Operating Temperature: -20°C to +70°C

Water Resistance: Passes IEC 60794-1-F5B (longitudinal blocking)

Impact Resistance: ≥4 N·m (IEC 60794-1-2)

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