Loctite Marine Anti-Seize Compound 1 Each Bottle — water-resistant, prevents corrosion & galling

Loctite 34395 is a marine-grade anti-seize compound designed to protect metal assemblies from corrosion and galling in fresh and saltwater environments.

This specially formulated anti-seize delivers durable lubrication and corrosion resistance where metal parts meet the elements. It’s intended for fasteners, fittings and assemblies that face spray, splash or humid conditions and is supplied in a single bottle for workshop or field use. The compound balances water wash-out resistance with smooth thread engagement so disassembly and maintenance remain straightforward even after prolonged exposure to moisture.

How does this anti-seize protect metal parts in marine settings?

The compound forms a protective barrier that reduces metal-to-metal contact and helps block electrochemical reactions that cause galvanic corrosion. It resists being washed away by water spray and maintains lubricity under humid conditions, preserving threads and mating surfaces.

• Prevents seizing, galling and thread damage on fasteners
• Reduces risk of galvanic corrosion between dissimilar metals
• Maintains lubrication after water exposure and sprays
• Suitable for parts that see intermittent or continuous moisture

Where should I apply Loctite 34395 for best results?

Use it on threaded connections, studs, flanges, and fittings that are exposed to fresh or saltwater, or in highly humid environments. Apply a thin, even coat to the mating surfaces before assembly to ensure consistent protection and easier future disassembly.

• Threaded bolts, nuts and studs on boats and dock hardware
• Marine engine fittings and exhaust flanges
• Outdoor fasteners on salt-spray-prone equipment
• Anywhere metals meet and corrosion or seizing is a concern

What performance can I expect and how do I apply it?

Expect improved thread life, reduced torque variation during assembly, and easier removal of fasteners after exposure to water. Clean surfaces of heavy contaminants, then brush or wipe a thin film where parts mate; avoid over-application to prevent excess buildup.

• Provides long-lasting lubrication and water resistance
• Brush or wipe a thin layer onto clean mating surfaces
• Avoid excess product; follow standard torque specs when assembling
• Reapply during routine maintenance if exposure is frequent

Who this is for: Professionals and DIYers who maintain boats, marine engines, docks, outdoor equipment and any assemblies exposed to fresh or salt water will benefit from this product. It’s aimed at technicians, mechanics and property owners who need reliable protection against corrosion and seizure while keeping disassembly straightforward during repairs or seasonal maintenance.