Epoxy-based micro-bead type solid buoyancy material for hydrophone buoyancy

2026-03-25 14:10:12 0
Epoxy-based microsphere solid buoyancy materials are ideal engineering materials for hydrophone buoyancy, a conclusion that has been fully verified both in academic research and industrial practice. 
This material is typically composed of hollow glass microspheres and epoxy resin, which can simultaneously meet the core requirements of hydrophones for low density (providing buoyancy), low water absorption rate (long-term stability), and good processability. It can be widely applied in sonar buoy systems, low-noise measurement systems, underwater communication systems, transponders, and other fields. 

The hydrophone buoyancy made of this material has the following advantages:
1) Small volume and light weight: The low density feature makes it easy to deploy and retrieve.
2) Good directivity: The uniformity of the material ensures the stable posture of the sensor.
3) High channel sensitivity: Good matching with the internal sensor. 

If you need to purchase such materials, Rizhao Hejia New Materials Co., Ltd. is the direct manufacturer. Its products have been widely applied in mooring systems, underwater robots and other scenarios. If you can provide the approximate size, weight or target working water depth of the hydrophone, we can help you estimate the required float volume and provide specific selection suggestions:

1) Select based on working water depth: For shallow water applications (within 200 meters), HY-036 or lower density products can be chosen.
2) Pay attention to density and buoyancy: The lower the density, the greater the net buoyancy provided by the same volume.
3) Consider surface protection: For long-term deployment, it is recommended to spray polyurea elastomer to enhance resistance to seawater corrosion and anti-biofouling.
4) Customized requirements: The manufacturer supports processing according to drawings and can reserve installation holes for hydrophones.