SINOFUJI Silicone Rubber Overhead Electrical Line Cover
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The innovative product design, ease of installation. Use silicon rubber material, anti-aging, corrosion resistance, with good resistance to corona resistance, high temperature performance, especially suitable for the protection of the bare wire. Widely used in substation protection works and railway system, a significant effect in the cross-lines.
| Serial No. | Properties | Unit | Standard Data | Test Results | Test Methods |
| 1 | Electrical Strength Test | kV/mm | ≥20 | 22 | GB/T 1408.1-2006 |
| 2 | Volume Resistivity | Ω·cm | ≥1×1014 | 2×1014 | GB/T 1410-2006 |
| 3 | Dielectric Constant | 2~3 | 2.3 | GB/T 1409-2006 | |
| 4 | Shore Hardness | A | 70±5 | 71 | GB/T 531 |
| 5 | Mechanical Properties | GB/T 528 | |||
| 5.1 | Before heat ageing | ||||
| Tensile Strength | MPa | ≥4.0 | 5.5 | ||
| Elongation at break | % | ≥200 | 243 | ||
| 5.2 | After Heat ageing(180ºC, 7d) | % | ±30 | 13 | |
|
Tensile Strength Change Elongation Change |
% | ±30 | -22 | ||
| 6 | Low Temperature Elongation(-15ºC, 2h) | % | ≥20 | 190 | GB/T 2951.4-1997 |
| 7 | Low Temperature Flexibility(-50ºC, 4h) | - | No cracks | No cracks | UL224-2004 |
| 8 | High Temperature Crack Resistance(155ºC, 2h) | - | No cracks | No cracks | GB/T2951.6-1997 |
| Voltage(KV) | ≤10KV | ≤35KV | ≤110KV | ≤220KV |
| Thickness | 2.0±0.3mm | 3.0±0.4mm | 4.0±0.5mm | 6.0±1.0mm |
Dimension
|
LJ Stranded Wire Cross-sectional Area(Nominal) |
O.D. Of LJ Stranded Wire(mm) |
Silicone Rubber Sleeving Covers Models(mm) |
|
50 |
9.00 |
12 |
|
70 |
10.80 |
12 |
|
95 |
12.48 |
17 |
|
120 |
14.25 |
17 |
|
150 |
15.75 |
20 |
|
185 |
17.50 |
20 |
|
210 |
18.75 |
24.2 |
|
240 |
20.00 |
24.2 |
|
300 |
22.40 |
24.2 |
|
400 |
25.90 |
30 |
|
500 |
29.12 |
32 |
|
630 |
32.67 |
35 |
|
800 |
36.90 |
39.8 |
|
LGJ Stranded Wire& LGJF Stranded Wire Cross-sectional Area(Nominal) |
O.D. Of LJ Stranded Wire(mm) |
Silicone Rubber Sleeving Covers Models(mm) |
|
35 |
-- |
12 |
|
50 |
-- |
15.6 |
|
70/10 |
11.4 |
17 |
|
70/40 |
13.6 |
17 |
|
95/15 |
13.61 |
17 |
|
95/20 |
13.87 |
17 |
|
95/55 |
16 |
17 |
|
120/7 |
14.5 |
20 |
|
120/20 |
15.07 |
20 |
|
120/25 |
15.74 |
20 |
|
120/70 |
18 |
20 |
|
150/8 |
16 |
20 |
|
150/20 |
16.67 |
20 |
|
150/25 |
17.1 |
20 |
|
150/35 |
17.5 |
20 |
|
LGJJ-120 |
15.5 |
20 |
|
LGJJ-150 |
17.5 |
20 |
|
LGJQ-150 |
16 |
20 |
|
185/10 |
18 |
24.2 |
|
185/25 |
18.9 |
24.2 |
|
185/30 |
18.88 |
24.2 |
|
185/45 |
19.6 |
24.2 |
|
210/10 |
19 |
24.2 |
|
210/25 |
19.98 |
24.2 |
|
210/35 |
20.38 |
24.2 |
|
210/50 |
20.86 |
24.2 |
|
240/30 |
21.6 |
24.2 |
|
240/40 |
21.66 |
24.2 |
|
240/55 |
22.4 |
24.2 |
|
LGJJ-185 |
19.6 |
24.2 |
|
LGJJ-240 |
22.4 |
24.2 |
|
LGJQ-185 |
18.4 |
24.2 |
|
LGJQ-240 |
21.6 |
24.2 |
|
400/20 |
26.91 |
32 |
|
400/25 |
26.64 |
32 |
|
400/35 |
26.82 |
32 |
|
400/50 |
27.63 |
32 |
|
400/65 |
28 |
32 |
|
400/95 |
29.14 |
32 |
|
500/35 |
30 |
32 |
|
500/45 |
30 |
32 |
|
500/65 |
30.96 |
32 |
|
800/55 |
38.4 |
39.8 |
|
800/70 |
38.58 |
39.8 |
|
800/100 |
38.58 |
39.8 |
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