IMPA: 795501

Marine-Grade Insulation Putty for Electrical Sealing & Protection

Protect critical marine electrical connections with this high-performance insulation putty, rated under IMPA 795501. Specially formulated for shipboard environments, this non-conductive putty creates a durable, waterproof barrier against moisture, saltwater spray, and corrosion. Its moldable consistency allows quick hand application to cables, terminals, and junction boxes, even in confined spaces.

The insulation putty exhibits excellent dielectric strength, reliable adhesion, and long-term flexibility, making it ideal for both maintenance and repair work on electrical systems. It resists vibration, temperature extremes, and UV exposure, ensuring dependable performance in harsh marine conditions. Easy to re-enter for inspection, the putty peels away cleanly without leaving residue.

Available in convenient packaging sizes, this marine-grade insulation putty is a versatile addition to any ship chandler inventory, fulfilling requirements for sealing, insulating, and protecting electrical components aboard commercial and pleasure vessels.

Key Features

Technical Specifications

AttributeSpecification
Product TypeElectrical Insulation Putty
IMPA Code795501
Dielectric Strength≥ 20 kV/mm
Operating Temperature-30 °C to +120 °C (-22 °F to +248 °F)
Water Absorption< 0.5% by weight
AdhesionExcellent to most substrates
ColorBlack / Grey
ApplicationHand molding, press to fit
Cure TimeTack-free in 30 min; full cure in 24 hours
Shelf Life24 months (unopened)
PackagingCartridges, tubs, or pails

Frequently Asked Questions

Can this putty be applied to live electrical connections?

For safety, turn off power before applying. Once applied, the putty provides effective insulation and can be used to cover connections after the circuit is de-energized.

Is the insulation putty suitable for underwater use?

Yes, it is designed to resist water ingress and saltwater corrosion, making it suitable for sealing electrical connections in damp or submerged environments.

What surfaces does the putty adhere to?

It adheres well to most metals, plastics, cable insulation, rubber, and fiberglass surfaces commonly found in marine electrical systems.

How do I remove the putty if needed?

The putty can be peeled or scraped off without leaving sticky residue. It remains pliable, so re-entry for inspection and re-sealing is straightforward.

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