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1. Glass reinforced composite core:
general properties
| Property | value |
| keinforcement | E-glass fiber |
| glass content of inner part | 75-80% |
| material of pulling rod | epoxy fiber glass(inner) high density polyethylene(outer) |
| density | >1.9gr/cm3 |
| diameter tolerance | +/-0.1mm |
| work situation temperature | -40°C to +80°C |
Mechanical prperties
| property | value |
| minimum pullling strength | 4000 N+/-5% |
| tensile modulus | >30000Mpa |
| consistency of rod | 150gr/m +/-5% |
| flexural modulus | >30000M pa |
| elongation at break | 2.5-3% |
2. Polyethylene cover material:
Medium density polyethylene resin for the insulating and jacketing of telecommunications cables.
| property | value |
| tensile strength | >15N/mm2 |
| environmental stress & crack resistance | >1000 hr. |
| heat stability | OK. |
| carbon black | OK. |
fiberglass duct rodder,frp rods
