CRC Dielectric Grease for Marine & Automotive, 3.3 oz Pressurized Can with Select-A-BEAD Nozzle, Non‑Curing Protectant

CRC Marine Premium Dielectric Grease is a non-curing, pressurized 3.3 oz dielectric compound formulated to seal, protect, and electrically insulate connectors and components while the Select-A-BEAD nozzle gives you precise bead control.

Designed for marine and automotive applications, this dielectric grease is a multipurpose, silicone-based compound that prevents moisture intrusion, reduces arcing and voltage drop at electrical contacts, and lubricates rubber and plastic parts. The product ships in a pressurized can with CRC’s patented Select-A-BEAD finger-actuated delivery system so you can set bead width quickly and apply smooth, continuous coverage even in tight spaces.

How does CRC dielectric grease help electrical connectors perform better?

By forming a non-conductive barrier around metal contacts, the grease helps keep water and contaminants away from the mating surfaces. That barrier reduces the chance of arcing and minimizes voltage loss across connectors in wet or corrosive environments.

• Non-curing compound preserves flexibility and contact accessibility.
• Waterproof seal prevents corrosion on terminals and pins.
• Reduces arcing and voltage drop to support more consistent signal and power delivery.
• Suitable for both marine and automotive connectors exposed to adverse weather.

What makes the Select-A-BEAD nozzle useful for precise application?

The Select-A-BEAD nozzle is a dial-adjustable, finger-actuated dispenser that lets you choose bead width for different tasks, from thin protective films to wider seals. Its pressurized design maintains steady flow so beads are even and continuous, reducing waste and mess.

• Dial selector chooses bead size for fine or broad coverage.
• Finger-actuated delivery gives one-handed control and steady flow.
• Pressurized can ensures consistent extrusion on vertical or overhead surfaces.
• Minimizes dripping and provides neat, repeatable application lines.

Can this grease be used on non-electrical parts?

Yes — CRC Marine Premium Dielectric Grease doubles as a lubricant and protectant for rubber and plastic components. Because it does not cure, it remains pliable and contributes to smoother operation of seals, grommets, and movable parts without hardening or cracking.

• Lubricates rubber boots, O-rings, and plastic sliding surfaces.
• Prevents sticking and squeaks while maintaining part flexibility.
• Leaves a long-lasting, non-hardening film that resists washout.
• Safe for many plastics and elastomers — test on sensitive materials first.

What size and packaging should I expect, and how does that affect use?

The product comes in a compact 3.3 wt oz pressurized can with dimensions that make it easy to store in a toolbox or cabin locker. The small can is practical for on-boat or roadside repairs where portability and controlled dispensing matter.

• Pressurized 3.3 ounce can for handheld use and portability.
• Compact package dimensions fit in toolboxes and storage compartments.
• Patented nozzle reduces product waste and keeps application tidy.
• Designed for field service, maintenance, and DIY tasks.

Who is this for: CRC Marine Premium Dielectric Grease is aimed at boat owners, mechanics, electricians, fleet maintenance crews, and DIYers who need a reliable, non-curing compound for protecting electrical connectors and lubricating rubber and plastic parts. It’s a practical choice when you need a compact, easy-to-control dispenser that performs in wet, marine, or automotive environments without hardening over time.