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Stranded Loose Tube Non-metallic Strength Member Non-armored Fiber Optic Cable

This fiber optic cable has a stranded loose-tube design. A 250μm fiber is placed inside a loose tube made of high-modulus material, which is filled with waterproof gel. The center of the cable has an FRP (Fiber Reinforced Plastic) strength member. The loose tubes (and filling ropes) are twisted around the FRP to form a compact, round cable core, with any gaps filled with water-blocking material. A polyethylene sheath is extruded over the core to complete the cable.
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  • Stranded Loose Tube Non-metallic Strength Member Non-armored Fiber Optic Cable

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Outdoor Duct Cables‌ are engineered for underground conduit installations, shielding cables from environmental factors to ensure stable, reliable optical signal transmission. Their rugged jackets and armor resist compression, impact, soil corrosion, moisture, and animal damage. Installed quickly through conduits, they minimize excavation and simplify future maintenance. Ideal for long-haul communication, metro networks, and challenging crossings (rivers, highways, railways), they connect nodes and data centers with high-speed, high-capacity links.

‌Outdoor Aerial Cables‌ are designed for overhead suspension between poles or towers, ensuring durability in harsh weather. Reinforced with aramid or steel wires, they withstand wind and weight, while UV-resistant, weatherproof jackets extend lifespan. Their simple installation on existing infrastructure reduces ground disruption and maintenance costs. Widely used for intercity/regional connectivity and specialized networks (power, transport, energy), they enable real-time data transmission between nodes and devices.

Key Features:‌

  • ‌Enhanced Durability:‌ Delivers excellent mechanical strength and temperature stability.

  • ‌High-Performance Loose Tubes:‌ Constructed with hydrolysis-resistant material for superior strength.

  • ‌Advanced Fiber Protection:‌ Specialized filling compound provides critical safeguarding for optical fibers.

  • ‌Robust Design:‌ Offers crush resistance and flexibility for various installation conditions.

  • ‌Comprehensive Waterproofing:‌ Achieved through multiple protective layers:

    • Steel wire central strength member

    • Loose tube filling compound

    • 100% core filling with water-blocking materials

‌Compliance:‌
The GYFTY cable meets the requirements of ‌YD/T 901‌ and ‌IEC 60794-1‌ standards.

Structure Drawing

1.Fibre

2.Tube Filling Compound

3.Loose Tube

4.Cable Filling Compound

5.FRP Strength Member

6.PE Sheath

Stranded Loose Tube Non-metallic Strength Member Non-armored Cable

Technical Parameters

Cable Type

(Increased by 2 fibres)

Fibre Count

Tubes

Fillers

Cable Weight (Ref)

(kg/km)

Tensile Strength

Long/Short Term

(N)

Crush Resistance

Long/Short Term

(N/100mm)

Bending Radius

Static/Dynamic

(mm)

GYFTY-2~6Xn

2~6

1

5

86

400/1000

300/1000

12.5D/25D

GYFTY-8~12Xn

8~12

2

4

86

GYFTY-14~18Xn

14~18

3

3

86

GYFTY-20~24Xn

20~24

4

2

86

GYFTY-26~30Xn

26~30

5

1

86

GYFTY-32~36Xn

32~36

6

0

86

GYFTY-38~48Xn

38~48

4

2

109

GYFTY-50~60Xn

50~60

5

1

109

GYFTY-62~72Xn

62~72

6

0

109

GYFTY-2~6Xn

2~6

1

6

98

600/1500

GYFTY-8~12Xn

8~12

2

5

98

GYFTY-14~18Xn

14~18

3

4

98

GYFTY-20~24Xn

20~24

4

3

98

GYFTY-26~30Xn

26~30

5

2

98

GYFTY-32~36Xn

32~36

6

1

98

GYFTY-38~42Xn

38~42

7

0

98

GYFTY-44~48Xn

44~48

4

3

115

GYFTY-50~60Xn

50~60

5

2

115

GYFTY-62~72Xn

62~72

6

1

115

GYFTY-2~6Xn

2~6

1

7

119

1000/3000

GYFTY-8~12Xn

8~12

2

6

119

GYFTY-14~18Xn

14~18

3

5

119

GYFTY-20~24Xn

20~24

4

4

119

GYFTY-26~30Xn

26~30

5

3

119

GYFTY-32~36Xn

32~36

6

2

119

GYFTY-38~42Xn

38~42

7

1

119

GYFTY-44~48Xn

44~48

8

0

119

GYFTY-50~60Xn

50~60

5

3

125

GYFTY-62~72Xn

62~72

6

2

125

GYFTY-74~84Xn

74~84

7

1

125

GYFTY-86~96Xn

86~96

8

0

125

GYFTY-98~108Xn

98~108

9

1

149

GYFTY-110~120Xn

110~120

10

0

149

GYFTY-122~132Xn

122~132

11

1

179

GYFTY-134~144Xn

134~144

12

0

179


Storage/Operating Temperature: -40℃-+70℃


Optical Characteristics

Fibre Type

Attenuation (+20℃)

Bandwidth

Numerical Aperture

Cable Cut-off Wavelength λcc

@850nm

@1300nm

@1310nm

@1550nm

@850nm

@1300nm

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·km

0.200±0.015 NA

---

62.5/125µm

≤3.5dB/km

≤1.2dB/km

---

---

≥200MHz·km

≥500MHz·km

0.275±0.015 NA

---


Note:

a. Suffix Xn denotes fibre type

b. The colour arrangements of fibre and tube are specified in the colour identification table

c. The cable shouldn't store in outdoor environment more than 6 months in order to keep the cable reel good state


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