IMPA: 812401

High-Purity Graphite Powder for Marine Packing & Jointing

This marine-grade graphite powder is a high-purity dry lubricant and sealing agent designed for a wide range of shipboard applications. It meets the requirements of IMPA code 812401 and is a must-have for engine rooms, pump packing, and valve gland maintenance. Its ultra-fine particles create a smooth, low-friction surface that protects moving parts even under extreme pressures.

Ideal for use as a packing material for gland seals, gaskets, and flanged joints, this graphite powder offers excellent resistance to high temperatures, chemicals, and seawater corrosion. It is commonly mixed with grease or oil to form anti-seize compounds or applied directly to new gaskets for improved sealing. The product ensures reliable performance in demanding marine environments, reducing wear and preventing leaks on shafts, rudders, and other mechanical equipment.

Packaged for ship chandler distribution, this graphite powder is conveniently supplied in sealable containers to preserve its quality and prevent contamination. Whether you are a chief engineer, maintenance officer, or boatyard technician, this versatile product is an essential addition to any vessel's maintenance kit.

Key Features

Technical Specifications

SpecificationValue
Product NameGraphite Powder
IMPA Code812401
CategoryPacking & Jointing
Purity≥99% Carbon
Particle Size45 microns (325 mesh)
ColorBlack
Specific Gravity2.2 g/cm³
Melting Point3650°C (sublimes)
Moisture Content<0.5%
Packaging1 kg, 5 kg, 25 kg container
ApplicationsGland packing, gasket sealing, anti-seize compound, dry lubricant

Frequently Asked Questions

Can graphite powder be used on high-temperature outdoor equipment?

Yes, graphite powder remains stable at temperatures up to 3650°C (sublimation point). It is suitable for exhaust manifolds, turbocharger joints, and other high-heat marine applications.

Is graphite powder suitable for use in seawater environments?

Absolutely. Graphite is chemically inert and does not react with seawater, making it ideal for packing propellor shafts, rudder glands, and other underwater equipment. It also provides a protective barrier against corrosion.

How should I apply this graphite powder?

For dry lubrication, apply a thin layer directly to the surface. For gasket sealing, mix the powder with a suitable grease or oil to form a paste. When repacking a gland, ensure the packing rings are coated evenly before installation.

Does graphite powder conduct electricity?

Yes, graphite is a conductor. However, in typical marine packing and sealing applications, this is not a safety concern. If used near electrical components, take appropriate precautions to avoid creating conductive paths.

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