QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
| Payment Terms | T/T |
| Supply Ability | 10pcs/per week |
| Delivery Time | 2~3 weeks |
| Packaging Details | Pallet or Plywooden Box |
| Product Name | Custom Black ROV Buoyancy Modules Deep Water High Density Low Water Absorption Floats |
| Material | Syntactic foam |
| Brand | DOOWIN |
| Service | Customizable Configurations |
| Density range | 0.3-0.7g/cm³ ,provides exceptional lifting capacity |
| Long Service Life | 20+ year lifespan with minimal annual buoyancy loss (<0.1%) |
| Water absorption rate | Not more than 1% (or 5%) |
| Brand Name | DOOWIN MARINE |
| Model Number | ROV Buoyancy Modules |
| Certification | ABS,CCS,BV,LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10pcs/per week |
| Delivery Time | 2~3 weeks | Packaging Details | Pallet or Plywooden Box |
| Product Name | Custom Black ROV Buoyancy Modules Deep Water High Density Low Water Absorption Floats | Material | Syntactic foam |
| Brand | DOOWIN | Service | Customizable Configurations |
| Density range | 0.3-0.7g/cm³ ,provides exceptional lifting capacity | Long Service Life | 20+ year lifespan with minimal annual buoyancy loss (<0.1%) |
| Water absorption rate | Not more than 1% (or 5%) | Brand Name | DOOWIN MARINE |
| Model Number | ROV Buoyancy Modules | Certification | ABS,CCS,BV,LR |
| Place of Origin | China | ||
| High Light | Custom Subsea Buoyancy Modules ，Deep Water Subsea Buoyancy Modules ，ROV Buoyancy Modules | ||
Most of our products are custom made
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 foams are high-performance deep-sea composite syntactic materials specifically engineered for extreme deep-sea environments. They feature:
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).
Subsea buoyancy foams are widely used in deep-sea equipment, including:
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.
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 |
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
3000000-5000000
Employee Number:
60~80
Ecer Certification：
Verified Supplier
Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb... Doowin Marine is a professional manufacturer of ship launching airbags, pneumatic rubber fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys. Doowin Marine is the leading manufacturer of ISO 14409:2011 or CB/T 3795 rubber airbags/marine inflatable airbags. Marine rubber airb...
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