Marine Polyurethane Sealant Cartridge Guns are specialized tools designed for precise application of sealants in marine environments. These guns ensure smooth, controlled dispensing of adhesive systems for waterproofing and bonding. They are durable, corrosion-resistant, and ideal for marine construction and repair.

Size: Standard 10 oz (300 mL) cartridge, compatible with 1/10" or 3/8" nozzles.

Grade: Marine-grade, waterproof, UV-resistant, and saltwater-proof.

Viscosity: Medium to high viscosity (50,000–100,000 cP) for vertical and overhead applications.

Buoyancy: Non-buoyant, designed for underwater and submerged applications.

Material: Polyurethane-based adhesive with added corrosion inhibitors.

Cure Time: 24–48 hours for full cure, depending on temperature and humidity.

Operating Temperature: -40°F to 180°F (-40°C to 82°C).

Shore Hardness: 30A–50A after curing.

Elongation: 300–500% for flexibility in dynamic marine environments.

Chemical Resistance: Resistant to fuels, oils, and mild acids.

Application Method: Manual or pneumatic cartridge gun with 200:1 thrust ratio.

Packaging: Aluminum or plastic cartridges with foil seal.

Shelf Life: 12 months unopened, 6 months after opening.

Certifications: Meets ASTM C920, MIL-A-24179, and ISO 9001 standards.