SynFoam UL is a 100% closed cell, low density foam with exceptional compressive and insulation properties. UL grade foams are rigid, easily machined and can be sanded to a smooth finish. SynFoam UL is used for structural weight reduction, thermal and acoustic insulation. SynFoam UL is an ideal structural core material and has been used to replace honeycombs, PU and PVC based foams. SynFoam UL is chemically stable and UV resistant.

Typical applications include:

• Manned and unmanned submersibles.
• Ultrasonic transducers.
• Radomes.
• Towed arrays.
• Transponders.
• Sound Insulation
• Thermal Insulation


SynFoam UL is available as 6” x 12” x 24” fully cured blocks. The blocks may be further machined into different sizes and shapes by the end user to meet the necessary specific tolerances and requirements. Our syntactic foam is easily bonded together with the use of our syntactic adhesive to form large structures.

If you have a specific design for use with SynFoam UL we also provide final fabrication services. Services include machining, assembly, and finishing with a quality coating.