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In keeping with the company's commitment to technological advancement, elastomer materials such as Polychloroprene (PCP), Chloro-Sulphoneted Polyethelene (CSP), Nitrile Rubber /PVC blends, Ethylene Propelene Rubber (EPR), Ethylene Vinyle Acetate (EVA) and Silicone have been specially compounded to meet numerous heat oil and fire resisting requirements. In the recent years, RELEMAC has developed special Elastomeric Fire Survival Cables for power, control and instrumentation wiring.
Elastomeric compounds for insulating and sheathing of cables are formulated to meet the requirement of IS 6380, BS 6899, IEC 60502 and other international specifications. 
Note
- The number of wires is approximate and wire diameter is nominal; they shall be such as to satisfy the requirements of conductor resistance as per Class 5 of IEC 60228 / DIN VDE 0295 / IS 8130 / BS 6360
- 4 core and 5 core flat cables are available on request.
GENERAL CONSTRUCTION (Conforming to IS 9968 Part 1)| Conductor | Annealed tinned Copper wires Solid (Class 1), Stranded (Class 2), flexible (Class 5) complying with the requirement of IS 8130-1984 | | Seperator Tape | Suitable material seperator 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 | Coloured insulation, Nos.PE tape, Coloured proofed tape, Nos. printing | | Fillers | Natural or synthetic fibres 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 |
Working Temperature of Commonly used Elastomeric Insulating and Sheathing Materials
| Material | Max.Cond.Temp. for Continuous opertinuous 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 | | Polychloroprence (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 |
Silicon rubber insulated cables are used in electric utilities such as the generation and transmission of electricity. Long service life under normal environment in Nuclear and conventionally powered generating stations plus safety considerations are the significant factors of these electric appliances. When exposed to fire, Silicon offers circuit integrity, low smoke evolution, and freedom from halogen acids. (For e.g. Boilers, Electric Furnaces, Coked Ovens, Driers, Bakeries, Blast Furnaces & High Furnace Generator).
Applications: Steel Mills, EOT Cranes, Airport Lighting, Ships, Nuclear & Thermal Power Stations, Wind Power Mills, Electrical Machines, Textile Machines, Construction Equipments, Turbines.
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