High Density Deep Sea Buoy 0.3g/cm3-0.7g/cm3 Exploration Buoys With 7000m Depth Resistance
Price:
70 ~ 3000 $USD
MOQ:
1pc
Delivery Time:
2~3 weeks
Brand:
DOOWIN MARINE
Product Description
Customizable High-density Deep-sea Exploration Buoys
These high-pressure and corrosion-resistant channel warning spherical floats feature a vertical steelwork construction through their center, available in spherical or oval shapes. Designed for extreme marine environments, they can be supplied with swivel ends or other custom end fitting designs.

Key Features
- Polyurethane Elastomer Skin - Available in various high-visibility colors
- Self-fendering design with high impact absorption capability
- Multiple end fitting options for different applications
- Fully customizable in size and shape to meet specific requirements
Construction Details
- Inner Foam Core: Unsinkable closed-cell polyethylene/EVA foam core with various densities
- Reinforcement Layer: Optional nylon reinforcement for enhanced tear strength
- Outer Skin: UV-resistant, high-visibility polyurethane elastomer skin
Subsea Buoyancy Foam Specifications
| Type | Model | Density (g/cm³) | Compression Strength (MPA) | Water Absorption (24 hours) | Submersible Depth (m) |
|---|---|---|---|---|---|
| Chemical Foam | CSBM-08 | 0.08 | / | ≤5% | Surface |
| Chemical Foam | CSBM-020 | 0.20 | 0.5 | ≤5% | 50 |
| High Performance | SBM-48H | 0.48 ± 0.02 | ≥ 42 | ≤1% | 3,000 |
Production Process

Applications
Primary Applications
- Deep-sea exploration: Carrier for deep-sea probes and scientific instruments
- Ocean monitoring: Water quality and pollution monitoring applications
- Channel warning: Navigation safety marking for marine vessels
Industry Applications
- Underwater robots: Provides essential buoyancy support
- Submersibles: Key component for buoyancy balance
- Buoy systems: Maintains stable suspension at predetermined depths
- Offshore oil exploration: Used in risers and deepwater pipeline floats
- Marine survey systems: ADCPs and seabed-based floats
- Marine mining systems: Cable floats and trencher floats
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location
Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person
Xiang Sun