When conditions are extreme and particularly unpleasant, the cable and connection technology needs to be highly resistant. These resistance levels are often only possible through innovation. We offer three current examples from the Lapp Group’s product range.
How do you add mechanical, thermal or chemical resistance to plastics such as polyethylene, polyamide or PVC by “firing” beta and electron beams at them? It sounds like science fiction, but Lapp has made it happen: the molecular chains in the plastic link together in this process to form a networked structure with different properties. Before the process, the cable could be used in temperatures of up to 90 °C. Afterwards it can withstand temperatures of up to 120 °C.
Lapp working with this technology is not unusual as to the fact the company has it in-house. Unlike many other suppliers, Lapp has the skills and the capacity to implement this process itself at Lapp Korea.
As the Group’s first electron beam cross-linking plant went into operation recently at the Korean site. Up to 5,000 kilometres of electron beam cross-linked cables can now be manufactured there every month. The factory in Korea was expanded from 1,117 m2 to more than 6,300 m2 in order to facilitate this.
ÖLFLEX® 408 P and ÖLFLEX® 409 P. You can find a demonstration of the two power and control cables, which feature a polyurethane sheath for use in tough conditions.
Extreme 650 °C
When we think of major expansion, the ÖLFLEX® HEAT 650 SC’s area of application also comes to mind. The Lapp product range has previously included solutions for temperatures of up to 400 °C, but the new single cores for extreme temperatures can now withstand up to 650 °C in continuous operation.
The secret of this resistance is nickel stranded wire and glass-fibre insulation. This enables the ÖLFLEX® HEAT 650 SC to be used in the extreme ambient temperatures of factories or furnaces as well as in motors, heating modules or cooking systems.
Tough and easy to handle
From our experience, polyurethane helps when a control cable needs to bear up against high mechanical loads, oil-based lubricants, diluted acids, aqueous alkaline solutions or other chemical media. But most cables with a polyurethane sheath have a disadvantage: the tear- and notch-resistant sheathing is difficult to remove and therefore requires very precise tool settings. Nevertheless there is always the risk of damaging the insulation protecting the other cores.
The ÖLFLEX® 408 P and 409 P in the Lapp product range are two abrasion- and oil-resistant control cables for increased application standards. They feature an interstice-filling functional layer to protect the core insulation while also making cutting into and removing the outer sheath easier and safer. The ÖLFLEX® 408 P is VDE-certified, whereas the ÖLFLEX® 409 P comes with UL certification for the North American market.