Technical date
| Item | Requirement | Measured Valued |
| Visual examination | Fuchsine, grey or white, no obvious mechanical admixture. Vulcanized silicon rubber with dense and smooth cutting surface. | Ok |
| Hardness (shore A) | ≮50 | 65~70 |
| Tensile strength (Map) | ≮4 | 4~6 |
| Failure elongation (%) | ≮150 | ≮180 |
| Tearing strength (kN/m) | ≮10 (right angle sample) | 12~15 |
| Volume resistivity (Ω.m) | 1X1012 | 3~8X1012 |
| Puncture strength (kV/mm) | Alternating current ≮22 | ≮30 |
| Tracking and erosion | TMA4.5,erosion depth≯2.5mm | TMA4.5, erosion depth <0.8mm |
| Flammability (Grade) | FV-0 | FV-0 |
1>High mechanical strength
2>Small dispersion.
3>Reliable sealing performance between rod and end piece
Normal service conditions
A)Ambient air temperature -40℃~ +50℃.
b)Altitude not exceeding 1500 meters above sea level.
c)AC power frequency not less than 48Hz and not more than 62Hz.
d)Maximum wind speed not exceeding 35m/s.
e)Seismic intensity not exceeding 8 degrees.
Features.
Small size, light weight, easy to transport and install.
Its superior performance and high strength mechanical properties improve the reliability of power lines.
Extraordinary hydrophobicity and pollution resistance.
Long-term resistance to aging and leakage tracking.
Company Information





Hot Tags: railway sectionalizer polymer insulator, China, manufacturers, suppliers, factory, wholesale, for sale











