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Subsea Buoyancy Syntactic Foam
Subsea solid buoyancy material (syntactic foam) is a lightweight composite formed by embedding hollow microspheres in polymer matrices. These low-density (0.35-0.7g/cm³), high-strength (1-100MPa) materials feature minimal water absorption (<2%) and corrosion resistance, serving as essential counterweights for underwater equipment.
Subsea Buoyancy Syntactic Foam: Crafted for Ocean's Greatest Challenges
Subsea buoyancy foams are high-performance deep-sea composite syntactic materials specifically engineered for extreme deep-sea environments. They feature:
- Lightweight design
- High strength
- Corrosion resistance
- Ultra-high pressure resistance (capable of withstanding pressures at depths exceeding 10,000 meters)
These subsea buoyancy composites are typically fabricated using 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
Subsea buoyancy foams are widely used in deep-sea equipment, including:
- Manned submersibles
- Buoyancy modules for ROVs/AUVs
- Subsea oil and gas pipelines
- Deep-sea mining systems
By minimizing structural weight and enhancing durability, these syntactic foams significantly extend operational lifespans and improve energy efficiency. As deep-sea resource exploration advances, deep-sea composites are indispensable for enabling cutting-edge technologies and driving sustainable development in ocean engineering.
Subsea Buoyancy Foam Specification
Density and strength can be designed according to the user's water depth requirements to meet actual usage requirements.
| 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 |
| 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 |
Syntactic Foam CNC Production
