Silicone Rubber Overhead Line Cover

Product Detail

Applications:

Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.

Features:

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. 

Technical properties:

Properties	Test method	Typical data
Electical strength Test	GB/T1408.1-2006	=20kV/mm
Dielectric constant	GB/T1409-2006	2-3
Volume Resistivity	GB/T1410-2006	=1X1014O•cm
Shore Hardness	GB/T 531	70 A
Before heat ageing
Tensile Strength	GB/T 528	=4.0Mpa
Elongation at break	GB/T 528	=200%
After Heat ageing(180?,7d)
Tensile strength change	GB/T 528	±30%
Elongation change	GB/T 528	±30%
Low Temperature Elongation      (-15?,2h)	GB/T 2951.4-1997	=20%
Low Temperature Flexiblity      (-50?,4h)	UL224-2004	No cracks
High Temperature Crack Resistance(155?,2h)	GB/T2951.61997	No cracks

Dimensions:

Voltage-Ratings

Voltage(kV)	=10kV	=35kV
Thickness	2.0±0.3mm	3.0±0.4mm

 

Size      (mm)	Suitable conductor section      (mm2)	Max. conductor diameter      (mm)
8	16	6
10	25-35	8
12	50	10
14	70	12
16	95	14
18	120	15
20	150	17
22	185	19
24	240	22
28	300	25
32	400	29
35	500	32
38	630	35

 

Molypoly is one of the best and leading silicone rubber overhead line cover manufacturers and suppliers, who can bring you high-quality silicone rubber overhead line cover from our professional factory. Customized service is also offered as you may need.