Product Introduction
Glass fiber reinforced plastic (GFRP) rods is a high performance composite material made of glass fibre as reinforcement and resin as base material, which is cured and pultruded at a specific temperature. Because of its very high tensile strength and elastic modulus, it is widely used as a reinforcement in ADSS optical fiber cable, FTTH butterfly optical fiber cable and various layer-stranded outdoor optical fiber cable.
The use of GFRP as a reinforcement for optical fiber cable has the following advantages：
1) GFRP is all dielectric, which can avoid lightning strikes and strong electromagnetic field interference.
2) Compared with metal reinforcement, GFRP is compatible with other materials of optical fiber cable and will not produce harmful gas due to corrosion, which will lead to hydrogen loss and affect the transmission performance of optical fiber cable.
3) GFRP has the characteristics of high tensile strength and light weight, which can reduce the weight of optical cable and facilitate the manufacture, transportation and laying of optical cable.
Application
Mainly used for non-metallic reinforcement of ADSS optical fiber cable, FTTH butterfly optical fiber cable and various layer-stranded outdoor optical fiber cable.
Technical Parameters
Product Specifications
| Nominal Diameter (mm) | 0.4 | 0.5 | 0.9 | 1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 |
| 1.8 | 2 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | |
| 2.9 | 3 | 3.1 | 3.2 | 3.3 | 3.5 | 3.7 | 4 | 4.5 | 5 | |
| Note: More specifications, please contact our sales staff. | ||||||||||
Technical Requirement
| Item | Technical Parameters | |
| Density (g/cm3) | 2.05～2.15 | |
| Tensile Strength (MPa) | ≥1100 | |
| Tensile modulus (GPa) | ≥50 | |
| Breaking Elongation (%) | ≤4 | |
| Bending strength (MPa) | ≥1100 | |
| Bending modulus of elasticity (GPa) | ≥50 | |
| Absorption (%) | ≤0.1 | |
| Min.instantaneous bend radius (25D, 20℃±5℃) | No burrs, no cracks, no bends, smooth to the touch, can be bounced straight | |
| High temperature bending performance (50D，100℃±1℃，120h) | No burrs, no cracks, no bends, smooth to the touch, can be bounced straight | |
| Low temperature bending performance (50D，-40℃±1℃，120h) | No burrs, no cracks, no bends, smooth to the touch, can be bounced straight | |
| Torsional performance (±360°) | No disintegration | |
|
Compatibility of the material with the filling mixture |
Appearance | No burrs, no cracks, no bends, smooth to the touch |
| Tensile Strength (MPa) | ≥1100 | |
| Tensile modulus (GPa) | ≥50 | |
| Linear expansivity (1/℃) | ≤8×10-6 | |
Packaging
GFRP is packed in plastic or wooden bobbins. Diameter (0.40 to 3.00) mm, standard delivery length ≥ 25km; diameter (3.10 to 5.00) mm, standard delivery length ≥ 15km; non-standard diameter and non-standard length can be produced according to customer requirements.
Storage
1) The product shall be kept in a clean, dry and ventilated warehouse.
2) The product should not be stacked together with flammable products and should not be close to fire sources.
3) The product should avoid direct sunlight and rain.
4) The product should be packed completely to avoid moisture and pollution.
5) The product shall be protected from heavy pressure and other mechanical damage during storage.
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