ROV buoyancy
Linksyn
Linksyn provides even distribution of buoyancy along an umbilical using an interlocking articulated design. It prevents bending below minimum bend radius and provides mechanical support under applied load conditions.
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Trimsyn & Trimlok
Trimsyn syntactic floats provide additional buoyancy for marine applications including umbilical cable support, ROV trim buoyancy and installation aids.
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AIS is a global leader in the engineering, manufacture and application of insulation and passive fire protection systems, as well as buoyancy and SURF (subsea, umbilicals, risers and flowlines) products.
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ROV buoyancy

High performance buoyancy for deep sea

The HPS (high performance syntactic) buoyancy is a high-performance, low-density syntactic foam range designed for deep-sea applications, supporting manned, autonomous and remotely operated vehicles with precision buoyancy and stability in extreme underwater environments.

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Benefits

Reliable deep sea vehicle buoyancy performance

HPS buoyancy enables manned, autonomous and remoted operated vehicles to achieve neutral buoyancy and resist hydrostatic pressure. This allows extended deep-sea operation, ensuring precision, stability and reliability in challenging subsea environments where performance and endurance are critical.

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Custom shaping
Available in block form or custom moulded shapes, HPS buoyancy can be tailored to specific deep-sea buoyancy applications, ensuring precise fit and performance requirements are met for underwater vehicles.
Fast turnaround
Fast turnaround time are achieved through in-house CNC machining facilities, enabling rapid production and delivery of precision buoyancy components for demanding deep-sea vehicle applications.
Material grades
Various grades of high-performance syntactic foam are available, allowing buoyancy properties to be tailored for specific pressure, depth and performance requirements in subsea environments.

Specifications

Applications

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AIS wins EIC WESCA Innovation Award
AIS wins the EIC WESCA Innovation Award for NjordGuard, our cable protection system for offshore wind, alongside recognition for our Rising Stars and support for workplace culture.
Subsea
Offshore wind
News
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November 2, 2026
AIS receives its seventh King’s Award for Enterprise
The award for innovation was for our cable protection system, NjordGuard.
Offshore wind
News
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October 23, 2026
The new AIS website is now live
With a fresh look and simple navigation, we are pleased to announce that the new AIS website is now live.
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October 1, 2026
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