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Loose Tube Stranded Figure-8 Self-supporting Optical Cable GYTC8S


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The GYTC8S(A) fibre optic cable is constructed by placing a 250µm fibre optic cable into a high modulus material pine tube, which is filled with a waterproof compound. At the centre of the cable core is a metal reinforcement core, around which the loose tube (and filler rope) is twisted to form a compact and round core.The core is wrapped longitudinally with a layer of plastic coated aluminium tape (APL) / (PSP) and integrated with the wire strands in a polyethylene sheath in the shape of a figure of eight.

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Product Description

Product characteristics:

• The high tensile strength of the stranded steel wire facilitates self-supporting overhead laying and reduces installation costs

• Excellent mechanical properties and temperature characteristics of the fibre optic cable

• The loose tubing material itself has good hydrolysis resistance and high strength

• The tube is filled with a special oil paste, which provides critical protection for the optical fibres

• The following measures are used to ensure that the fibre optic cable is watertight:

- Single steel wire central reinforcement core

- Special waterproofing compounds in the loose sleeves

- Complete core filling

- Plastic coated aluminium tape (APL) or steel tape (PSP) moisture barrier

Product applications and laying methods：

1. Outdoor communication system wiring

2. Self-supporting overhead

GYTC8S Cable Mechanical characteristic

Fiber Number	Cable Outer Dia (mm)	Cable Weight (kg/km)	Minimum Bending radius(mm)		Maximun Allowable Tensile Strength(N)		Minimum Allowable Crush Load(N/100m)
Fiber Number	Cable Outer Dia (mm)	Cable Weight (kg/km)	Static	Dynamic	Short	Long Term	Short	Long Term
2~20F	10.6x20.8	268	106	212	9000	4000	3000	1000
22～30F	10.9x21.1	272	109	218	9000	4000	3000	1000
32～36F	11.6x21.8	299	116	232	9000	4000	3000	1000
38～72F	13x23.2	329	130	260	9000	4000	3000	1000

GYTC8A Cable Mechanical characteristic

Fiber Number	Cable Outer Dia (mm)	Cable Weight (kg/km)	Minimum Bending radius(mm)		Maximun Allowable Tensile Strength(N)		Minimum Allowable Crush Load(N/100m)
Fiber Number	Cable Outer Dia (mm)	Cable Weight (kg/km)	Static	Dynamic	Short	Long Term	Short	Long Term
2~20F	10.1x20.3	244	101	202	9000	4000	1000	300
22～30F	10.4x20.6	248	104	208	9000	4000	1000	300
32～36F	11.1x21.3	273	111	222	9000	4000	1000	300
38～72F	12.5x22.7	299	125	250	9000	4000	1000	300