Tyco Electronics UK Ltd

Andrew Caswell

Antonio Pagliuca

A wire or cable comprises a core () and a sheath including a wrapped film () of polyetherether ketone (PEEK) and a flameproofing layer () comprising mica particles dispersed in a polymer matrix such as a silicone. An outer coating () of PEEK or another polymer may be provided, which may be sintered to provide a tough outer protective covering. The PEEK and mica layers combine synergistically to provide a sheath of increased flame resistance as well as high flexibility and resistance to mechanical stresses, while being of reduced weight and diameter.

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Wiltshire, United Kingdom

Andrew Caswell