RUBBER CABLE MULTICORE [HOFR & EPR/PCP] [VIR/TRS]

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Application

Mardia Cables Elastomer Cables segment in India and has been supplying a wide range of Elastomer Cables to various industry segments viz. Railways, Ship-Building, Steel, Cement, Power plant , Defense, Mining sector, construction sector , Solar Panels Etc.
Multicore Rubber cables used in electronics are insulated with materials like plastic or rubber. These cables are widely used in various applications. They are used for trailing and flexible supply leads in either single or multi core versions. There are different varieties of cable for heavy and medium duty electrical applications used in both residential and industrial purposes. Rubber is more durable, with high levels of water and abrasion resistance and hence these factors make cables made of rubber an attractive choice for outdoor applications

Constructions

Elastomeric compounds for insulating and sheathing of cables are formulated to meet the requirement of IS 6380, BS 6899, IEC 60502 and other international specification.

Conductor: Annealed Bare/Tinned Copper wires Solid (Class 1), Stranded (Class 2), flexible (Class 5) complying with the requirement of IS 8130‐1984
Separator Tape: Suitable material separator tape may be applied over the conductor
Insulation:General service elastomer compound Type IE1 of IS 6380‐1984 Heat Resisting elastomer compound Type IE2 of IS 6380‐1984 Silicone Rubber Type IE 5 of IS 6380‐1984
Core Identification:Colored insulation, Nos.PE tape, Colored proofed tape, Nos. printing
Fillers: Natural or elastomer suitable for the operating temperature and compatible with the insulating material
Sheath: General service sheath Type SE1/SE2 of IS 6380‐1984 Heavy Duty Sheath Type SE3/SE4 of IS 6380‐1984

Types of rubber used in rubber cables:

Working Temperature of Commonly used Elastomeric Insulating and Sheathing Materials

Material Max. Cond. Temp. for continuous operation (Deg C.) Max. Cond. Temp. for short circuit (Deg C.) Min. Working Temp. (Deg C.)
Natural Rubber (VIR & TRS) 60 200 -55
Ethylene Propylene Rubber (EPR) 90 250 -50
Polychloroprene (PCP) 70 200 -40
Chlorosupphonated Polyethylene (CSP) 90 200 -35
Silicone Rubber 150 / 180 350 -55
HR Natural Rubber (HR VIR) 75 200 -55
Styrene Butadience Rubber 60 200 -55
Butyl Rubber 85 220 50

Uses:

Cables serve different purposes depending on the way they are designed.

  1. Some of these cables are designed to be principally used in heavy industry and mining in dry and damp premises.
  2. There are some cables designed specifically for drum reeling applications with extremely high mechanical environments, such as winding and unwinding and tension environments.
  3. These cables can handle large workloads.
  4. They are suitable for outdoor applications in dry, wet, and damp conditions.
  5. These cables are used in fixed installations of rail vehicles, buses, pipes, and closed installation ducts.
  6. There are rubber cables for heavy-duty use in generators, portable equipment, and moving machinery, even in damp or oily environments.
  7. Medium-duty cables are used for power tools and light machinery in indoor/outdoor and wet conditions.
  8. Light-duty flexible rubber cables are used for indoor/outdoor residential applications.
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