Shallow Water Foams
A Wide Range of Densities Down to 1,000 msw
Expanded Foam (Including PVC Foam)
This is a closed-cell material that offers excellent densities for shallow subsea use. From 200 to 315 kg/m3.
According to customers specification.
According to customers specification.
Lightweight
Surface & shallow water depth compliant
Typical usage depth: up to 500 msw
Macrosphere Foam
This foam combines large fiber spheres embedded with epoxy resin, providing an excellent balance between low density and mechanical strength. Ideal for buoyancy applications and large volume buoyancy parts.
Lightweight
Reliable to shallow up to mid-depths
Typical usage depth: up to 1,500 msw
density tolerance from ±5 kg/m3
Buoyancy syntactic foams
High Performance Grade
density tolerance from ±5 to ±15 kg/m3
Very Low Density Grade
density tolerance from ±10 to ±15 kg/m3
Buoyancy Calculator
How much volume and how many blocks do you need?
Discover more about the deepwater pure syntactic foams

Need a Bespoke Buoyancy Product?
Please send the drawings to receive a quote.
Need a Bespoke Buoyancy Product?
Send us the drawings and ALSEAMAR will provide a quote.