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Description
Mobil Arma 798 Corrosion Protection | Wire Rope Lubricant South AfricaMobilarma 798 Premium Wire Rope Lubricant & Rust Preventive Mobilarma 798 is ExxonMobil's premium performance wire rope lubricant and rust preventive engineered for the lubrication and corrosion protection of wire ropes in marine, offshore, mining, construction and industrial applications. It forms a grease like, self healing film that penetrates deeply between rope strands, providing outstanding protection against salt spray, moisture laden
Mobilarma™ 798 — Premium Wire Rope Lubricant & Rust Preventive
Mobilarma™ 798 is ExxonMobil's premium performance wire rope lubricant and rust preventive — engineered for the lubrication and corrosion protection of wire ropes in marine, offshore, mining, construction and industrial applications. It forms a grease-like, self-healing film that penetrates deeply between rope strands, providing outstanding protection against salt spray, moisture-laden atmospheres and mild acids encountered in the most demanding marine and offshore environments.
Supplied through Orbit Industrial as an authorised Mobil distributor. Available by request for quote only — not available for direct checkout.
Available by Request for Quote Only
Contact Orbit Industrial for pricing, availability and vessel uplift logistics across Cape Town, Saldanha Bay, Durban and Port Elizabeth.
Product Data Sheet
How Mobilarma 798 Works
Mobilarma 798 penetrates between the strands of wire rope and impregnates the rope core — lubricating the internal contact points between strands and wires where fretting wear and corrosion initiate. The product's excellent water-displacing properties remove moisture from strand interstices on contact, replacing it with a thin, tenacious, grease-like film that remains in place under the severe centrifugal and shock loading conditions experienced in marine crane, anchor handling and lifting operations. The film is self-healing — minor damage from mechanical contact is automatically repaired — and does not chip, crack or become brittle across the full temperature range encountered at sea.
Features & Benefits
| Feature | Advantage & Operational Benefit |
|---|---|
| Excellent rust and corrosion protection against salt spray | Protects marine crane wire ropes, AHTS anchor handling cables, mooring ropes and offshore lifting equipment from the accelerated corrosion caused by sustained exposure to seawater spray and salt-laden coastal atmospheres |
| Outstanding water displacing properties | Actively displaces water from strand interstices — preventing the electrolytic corrosion that initiates wire breaks in ropes continuously wetted by seawater spray |
| Deep strand penetration | Lubricates internal strand-to-strand and wire-to-wire contact points where fretting wear initiates — extending rope service life and reducing the frequency of costly rope replacements |
| Self-healing film | Minor film damage from rope cycling, sheave contact and mechanical loading is automatically repaired — maintaining continuous protection throughout the service life of the rope without reapplication after every operation |
| Pliable at -35°C — will not drip at 60°C | Maintains consistent protective film integrity across the full temperature range encountered in marine and offshore environments — from cold-weather port operations to sustained high-temperature deck service in tropical waters |
| Resists throw-off in high-speed service | Stays on the rope during dynamic operations — crane luffing, anchor handling, winch operations — without throw-off contaminating deck surfaces or requiring frequent reapplication |
| Not tacky or stringy | Easy to handle and apply — operators can work with treated rope without excessive contamination of hands, equipment and deck surfaces |
| Protection against mild acids and corrosive fumes | Protects wire ropes in industrial and offshore environments where exposure to acidic atmospheres, chemical vapours or exhaust gases accelerates corrosion of unprotected steel wire |
| Compatible with rope core impregnating materials | Can be applied to ropes already treated with factory-applied core lubricants without compatibility issues — suitable for use throughout the operational life of new ropes from commissioning |
| Easy application — economical to use | Effective thin-film coverage minimises product consumption per metre of rope treated — reducing the cost and frequency of wire rope lubrication programmes |
Typical Properties
| Property | Test Method | Value |
|---|---|---|
| Kinematic Viscosity @ 100°C (mm²/s) | ASTM D445 | 23.1 |
| Dropping Point (°C) | ASTM D2265 | 63 |
| Flash Point, Cleveland Open Cup (°C) | ASTM D92 | 238 |
| Pliability — minimum temperature | — | -35°C |
| Maximum non-drip temperature | — | 60°C |
| Film Type | — | Grease-like, self-healing, non-tacky |
Typical properties are representative of those obtained with normal production tolerance and do not constitute a specification.
Marine & Offshore Applications
- Marine deck crane wire ropes — luffing, hoisting and slewing wire ropes on offshore and vessel-mounted cranes
- Anchor handling wire — AHTS anchor handling tails and pennant wires on offshore support vessels
- Mooring ropes and lines on vessels, FPSOs and offshore platforms
- Offshore lifting equipment — marine derrick wire ropes, tugger wires and deck winch ropes
- Preservation of wire rope during storage between offshore campaigns
- Impregnation of steel wire ropes during manufacture
Industrial & Mining Applications
- Mining hoist and winder ropes — shaft hoisting ropes in underground and surface mining operations
- Dragline and shovel hoist ropes in open pit mining across the Northern Cape
- Construction crane wire ropes in high-moisture coastal construction environments
- Stranded wire ropes in general industrial applications exposed to moisture and corrosive atmospheres
Request a Quote — Mobilarma™ 798
Premium wire rope lubricant and rust preventive. Self-healing grease-like film. Pliable at -35°C. Authorised Mobil distributor. Port supply across Cape Town, Saldanha Bay, Durban and Port Elizabeth.
Related Offshore & Marine Products
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy