Underwater propeller repair involves fixing or replacing damaged propeller blades while the vessel remains afloat. Underwater ship repair includes patching hulls, sealing leaks, and maintaining structural integrity without dry-docking. Both services use specialized diving teams and equipment to perform repairs efficiently underwater.
Underwater Propeller Repair:
- Size: Typically 100-500 mm diameter, varies based on propeller type.
- Grade: High-strength epoxy or polyurethane-based compounds.
- Viscosity: Thixotropic, 10,000-50,000 cP for underwater application.
- Buoyancy: Neutral to slightly negative to prevent wash-off.
- Material: Epoxy resins, metallic fillers (aluminum, bronze), or ceramic-reinforced polymers.
Underwater Ship Repair:
- Size: Patch sizes range from 0.5-5 m², depending on hull damage.
- Grade: Class-approved (e.g., DNV, ABS) marine-grade adhesives/composites.
- Viscosity: 5,000-30,000 cP for vertical/horizontal application.
- Buoyancy: Neutral to ensure adhesion without floating.
- Material: Underwater-curing epoxy, hydrophobic polyurea, or fiberglass laminates.
Ropes, paints, safety gear, and workshop tools.
Fresh/canned food, bonded stores, and PPE kits.
Air/sea freight with port-to-vessel handover.
Certified water testing and offshore delivery.
Secure USD/EUR disbursement in major ports.
Global network of certified fuel providers with real-time pricing. OEM-approved oils (Shell, Exxon, etc.).
Port reception facilities with automated documentation.
Hull cleaning, propeller polishing, and cathodic protection surveys.
Visa assistance, airport transfers, and quarantine coordination.
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