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FEATURE SPONSOR


THE SCIENCE OF SEALING


The amalgamation of advanced chemistry and thermoplastic pressure moulding techniques ensures an unrivalled subsea cable and connector reliability


advanced chemistry of covalence and material selection. The thermoplastic pressure moulding process relies on complex tooling and process parameters to achieve higher integrity without compromising on reliability.


A thermoplastic process involves a high-pressure molten material being forced into a high-temperature tool to achieve the desired moulding shape in conjunction with the connector housing.


For example, corrosive issues such as cathodic delamination can be overcome by a better understanding of the chemical reactiveness of the materials used. Replacing metallic components with non-metallic materials with a high level of inertness and rigidity can reduce the effects of cathodic delamination and other corrosion effects.


Non-metallic components with Polyethylene and Polyurethane


technology has been used around the globe for decades on submarines and ships. That same technology has obvious applications in tidal turbines and for offshore wind energy – and indeed any industry that depends on cables to conduct power and data in hostile environments. The amalgamation of advanced chemistry and thermoplastic pressure moulding techniques ensures an unrivalled subsea cable and connector reliability is delivered with fit and forget: 10,000 installations and zero leaks. Bound to succeed!


Scientific Management International


INJECTION MOULDING USING THERMOPLASTICS SMI’s advanced processes use this high temperature and pressure to achieve the high bonding performance of the thermoplastic polymers. During this process there are many factors that if not controlled will result in a failed termination, such as internal voids, inclusions, cracks, sinks, poor adhesion, poor amalgamation and internal subsea cable faults like open circuits and insulation breakdown. A proper understanding of the thermoplastic properties of the materials and the chemistry involved in achieving a successful termination means these faults can be avoided.


mouldings are shown on the outside of the frame. The sacrificial anode is at the centre of the frame.


SMI know all about long-term reliability, which is why their thermoplastic


WEBSITE


ENERGY www.wavetidalenergynetwork.co.uk 29


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