Can marine die cast parts be sealed to IP65 or higher standards?
Can Marine Die Cast Parts Be Sealed to IP65 or Higher Standards?
IP Rating Requirements in Marine Environments
Marine components must withstand water spray, immersion, and particulate ingress. An IP65 or higher rating is often required for housings, connectors, or enclosures exposed to saltwater, splash zones, and outdoor conditions. Achieving this rating with die cast aluminum parts requires precise design, tight dimensional control, and effective sealing strategies.
Die Casting Suitability for IP-Rated Enclosures
Aluminum die casting is well-suited for IP-rated marine enclosures due to its ability to form complex, robust, and tight-tolerance structures. Alloys like A360, AlSi12, and AC7A offer corrosion resistance and dimensional stability, which are essential for sealing reliability.
Key Factors for IP65 or Higher Sealing Performance
Mold Precision: Neway uses high-tolerance tool and die making to ensure flat mating surfaces and consistent sealing grooves.
Gasket Integration: Grooves or channels for O-rings can be cast directly into the part. With proper CNC machining, these surfaces are fine-tuned to ensure compression and sealing integrity.
Surface Treatment: Anodizing or powder coating protects the aluminum from corrosion without compromising the seal area.
Fastening Strategy: Uniform bolt torque and well-placed bosses or standoffs help maintain even gasket compression.
Assembly Validation: Neway supports assembly services for critical components and can validate enclosures through leak and pressure testing.
Typical Applications of IP65+ Marine Die Cast Parts
LED lighting enclosures and offshore junction boxes
Underwater sensor housings and communication modules
Battery compartments and control panels in exposed locations
For applications requiring IP67 or IP68, the die cast part must be post-machined for surface planarity and paired with silicone or EPDM gaskets rated for marine use.
Neway’s Complete Solution for IP-Rated Marine Parts
Neway enables IP-rated marine casting solutions through:
Corrosion-resistant aluminum die casting with complex design integration
Precision CNC post-machining for sealing surfaces and cover interfaces
Leak testing and in-house assembly for marine IP65+ assemblies
