As the leading ship supplier in Rwanda, Propeller Performance Optimization, we specialize in delivering high-quality Marine Polyurethane Sealant with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Marine Polyurethane Sealant is a waterproof, flexible adhesive designed for marine environments. It provides strong bonding and sealing for boats, docks, and other watercraft applications. Resistant to saltwater, UV rays, and harsh weather conditions.
Size: Available in standard 300ml cartridges and 600ml sausages.
Grade: High-performance, waterproof, and UV-resistant.
Viscosity: Thixotropic paste, approximately 200,000-300,000 cP.
Buoyancy: Non-buoyant, designed for underwater and marine applications.
Material: Polyurethane-based, with added polymers for flexibility and adhesion.
Cure Time: 24-48 hours for full cure, depending on temperature and humidity.
Shore Hardness: ~30A after curing.
Elongation: Up to 400% for superior flexibility.
Temperature Resistance: -40°C to +90°C.
Adhesion Strength: ≥2.5 MPa on various substrates (metal, fiberglass, wood).
Chemical Resistance: Resistant to saltwater, oils, and mild acids.
Application Method: Gun-applied or trowel-applied, depending on consistency.
Marine Polyurethane Sealant and Marine Adhesives typically comply with maritime standards such as ISO 9001, ASTM C920, or MIL-S-23586, depending on the specific product and manufacturer. Always check the product datasheet or certification for exact compliance details.
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