0.08g/cm3-0.7g/cm3 Subsea Buoyancy Modules Manufacturers Lightweight
Price:
100~ 3590 $USD
MOQ:
1pc
Delivery Time:
2~3 weeks
Brand:
DOOWIN MARINE
Product Description
Customized High Pressure Resistance Deep-sea Mining Buoyancy Modules CNC Precision Solution Buoy Systems
High-density, low water absorption floats designed for demanding subsea environments. Most products are custom manufactured to meet specific project requirements.
Subsea solid buoyancy material (syntactic foam) is a lightweight composite formed by embedding hollow microspheres in polymer matrices.
- Low density (0.35-0.7g/cm³) Low density: Its density is far lower than that of water, which is key to providing buoyancy.
- High strength (1-100MPa) : Capable of withstanding all-around hydrostatic pressure in marine environments
- Minimal water absorption (<1%): it provides stable buoyancy under high water pressure, ensuring safe and reliable operation.
- Excellent corrosion resistance : It is resistant to deep sea water corrosion and has good weather resistance.
Engineered for Extreme Deep-Sea Environments
Our high-performance syntactic foams are specifically designed for deep-sea applications, offering:
These subsea buoyancy composites are typically fabricated by lightweight fillers like hollow glass microspheres to reduce density, often combining reinforcing fibers (e.g., carbon fiber, glass fiber) with polymer matrices (e.g., polyurethane, epoxy resin).
Applications
Our buoyancy modules are widely used in:
- Manned submersibles
- ROV/AUV buoyancy systems
- Subsea oil and gas pipelines
- Deep-sea mining equipment
By reducing structural weight while enhancing durability, our syntactic foams extend equipment lifespans and improve energy efficiency in marine operations.
Subsea Buoyancy Foam Specifications
Density and strength can be customized to meet specific water depth requirements.
| Type | Model | Density (g/cm³) | Compression Strength (MPa) | Water Absorption (24h) | Submersible Depth (m) |
|---|---|---|---|---|---|
| Chemical Foam | CSBM-08 | 0.08 | / | ≤5% | Surface |
| Chemical Foam | CSBM-020 | 0.20 | 0.5 | ≤5% | 50 |
| Chemical Foam | CSBM-025 | 0.25 | 1 | ≤5% | 100 |
| Chemical Foam | CSBM-030 | 0.30 | 2 | ≤5% | 200 |
| Standard Performance | SBM-36 | 0.36 ± 0.01 | ≥ 16 | ≤1% | 500 |
| Standard Performance | SBM-38 | 0.38 ± 0.01 | ≥ 21 | ≤1% | 800 |
| Standard Performance | SBM-43 | 0.43 ± 0.02 | ≥ 24 | ≤1% | 1,000 |
| Standard Performance | SBM-45 | 0.45 ± 0.02 | ≥ 28 | ≤1% | 1,500 |
| Standard Performance | SBM-51 | 0.51 ± 0.02 | ≥ 45 | ≤1% | 3,000 |
| Standard Performance | SBM-54 | 0.54 ± 0.02 | ≥ 60 | ≤1% | 4,000 |
| Standard Performance | SBM-58 | 0.58 ± 0.02 | ≥ 75 | ≤1% | 5,000 |
| Standard Performance | SBM-63 | 0.63 ± 0.02 | ≥ 90 | ≤1% | 6,000 |
| Standard Performance | SBM-70 | 0.70 ± 0.02 | ≥ 145 | ≤1% | 11,000 |
| High Performance | SBM-43H | 0.42 ± 0.02 | ≥ 27 | ≤1% | 1,800 |
| High Performance | SBM-45H | 0.45 ± 0.02 | ≥ 35 | ≤1% | 2,000 |
| High Performance | SBM-48H | 0.48 ± 0.02 | ≥ 42 | ≤1% | 3,000 |
Precision Manufacturing Process
Product Gallery
Similar Products
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