Blocks selection guide

Request online information
on your syntactic foam blocks

Syntactic foam blocks

With its large stock of off–the-shelf blocks, BMTI® offers you a unique online service for quoting syntactic foam blocks ready for use or for cut-to-fit applications, and also suitable for bonding together to form larger buoyancy structures.

On-demand manufacturing

Need a specific buoyancy design for your ROV/AUV ?

Specific design for ROV-AUV

Send us your drawings and
we will provide a quote.


Advanced buoyancy solutions

Using innovative and advanced own-formulation syntactic foam materials technology and manufacturing processes, BMTI® delivers optimal performance in subsea products for deepwater applications.

We offer the smartest buoyancy solutions: own formulations and associated manufacturing processes, testing throughout the production chain, low densities for maximum buoyancy, long-term operational performance, deepwater & very deepwater buoyancy.

ALCEN works in four domains: defence & security, energy, medical and aeronautics.

Its ambition is to establish a constant innovation policy in these domains, primarily applied to its own products and services.

Wherever possible, they offer innovative solutions.

It organizes its teams in structures that are both independent and coordinated, set up around top-level, fully accountable members of staff.