CORE PRODUCTS
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GFRP Strength Member for

Fiber Optic Cables‍

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GFRP coating (PE&EAA)‍

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Twine FRP‍

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‍Glass Yarn‍

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Water Blocking Yarn‍

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Water Blocking Tape/

PET swelling tape‍




Advantages of FRP reinforced core

1. Dielectric, widely used

2. Low elongation / high modulus

3. Corrosion resistance, good compatibility with other materials of optical cable, long service life

4. Excellent strength / quality

5. Good surface finish, stable size, easy to process and lay

6. It will not affect the transmission performance of optical cable due to hydrogen loss caused by harmful gas produced by metal corrosion

7. Insensitive to electric shock and free from electromagnetic interference

8. The specific gravity is small, about a quarter of the specific gravity of the steel wire, and the same size can provide a large length of disc length

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Product specification (diameter mm)

0.40；0.50；0.90；1.00；1.20；1.30；1.40；1.50；1.60；1.70；1.80；2.00；2.10；2.20；2.25；2.30；2.40；2.40；2.50；2.60；2.65；2.70；2.80；2.90；3.00；3.10；3.20；3.30；3.50；3.70；4.00；4.50；5.00
Heterotypic   06.x1.3；0.7x3.0；1.2x3.8；1.27x3.0

Product length

Diameter (0.40-3.00mm) standard delivery length ≥ 25km

Diameter (3.00-5.00mm) standard delivery length ≥ 15km


Specification 1（φ0.9-φ5.0mm）

Test itemsIndex
Tensile strength（MPa）≥1100
Tensile modulus of elasticity（GPa）≥50
Bending strength（MPa）≥1100
Modulus of elasticity in bending（GPa）≥50
Fracture elongation（％）≤4
Coefficient of linear expansion（-30-80℃）（1/℃）<8×10-6
Diameter tolerance（mm）±2%
Minimum bending radius（mm）40xD
Proportion（g/cm3）2.05-2.15
High temperature bending test（50D、100℃，120h）No burr, crack or fracture



Specifications 2


G-0.40G-0.5
Diameter（mm）0.40±0.030.50±0.03
Tensile strength（MPa）≥1280≥1280
Tensile modulus of elasticity（GPa）≥46≥46
Elongation at break（％）≤3.0≤3.0
Minimum bending radius（mm）≤18≤20
High temperature bending test（100℃x24H）≤34≤38



Specifications 3

Test itemsParameter
Width（mm）b±0.02
Thickness（mm）h±0.02
Minimum bending radius（mm）≤30h
Tensile strength（MPa）≥1200
Tensile modulus of elasticity（GPa）≥48
Elongation at break（％）≤3.0
High temperature bending test（100℃x24H）（mmφ）80xh









Physical properties - tensile resistance at 1% elongation

Nominal diameter（MM）Tensile resistance at 1% elongation（N）
1.0395
1.1475
1.2565
1.3665
1.4770
1.5885
1.61005
1.71135
1.81270
1.91420
2.01570
2.11730
2.21900
2.32075
2.42260
2.52455
2.62655
2.72865
2.83080
2.93305
3.03535
3.13775
3.24020
3.34275
3.44540
3.54810
3.65090
3.75375
3.85670
3.95975
4.06285
4.16600
4.26925
4.37260
4.47605
4.57950