The 3.0 Mercruiser Impeller key specifications and technical properties are as follows:
Size: Typically 3.0 inches in diameter (varies by model).
Grade: Marine-grade rubber or neoprene.
Viscosity: Not applicable (impellers are solid components).
Buoyancy: Neutral (designed for submerged operation).
Material: Nitrile rubber (NBR) or high-performance elastomers.
Blade Count: Usually 6 to 12 vanes.
Operating Temperature Range: -20°F to 180°F (-29°C to 82°C).
Compatibility: Designed for Mercruiser 3.0L engine cooling systems.
Pressure Rating: Suitable for standard marine water pump pressures (10-15 psi).
Chemical Resistance: Resistant to saltwater, oils, and mild chemicals.