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Cortec M-529

by Cortec
Original price $718.03 - Original price $7,313.27
Original price
$718.03 - $7,313.27
Current price $718.03
Choose a Size
Ships in 1 to 2 weeks
Ships in 1 to 2 weeks

M-529 is an oil-based package of corrosion inhibitor for lubricating oils. M-529 provides excellent corrosion protection during operating conditions and intermittent operation.

M-529 is very effective for mineral and synthetic based oils: napthenic, iso-paraffinic, PAOs, etc.


  • Corrosion protection for ferrous and non-ferrous metals
  • Does not contain hazardous barium, chromates, nitrites, or phosphate-based inhibitors
  • High flash point
  • Low toxicity and thermally stable, providing long-lasting corrosion inhibition
  • Passes through a 5 micron filter
  • Provides protection in the presence of chlorides
  • When added at recommended concentration to fluids, does not affect pour point and viscosity at low temperatures
  • Compatible with most mineral and synthetic oils
  • Suitable for both operating and intermittent use conditions

Typical Application
For lubricating oil systems in intermittent operations, add M-529 to oil at a concentration of 2-5% by weight.

Metals Protected:

  • Carbon steel
  • Copper
  • Solder
  • Stainless steel
  • Cadmium
  • Tin
  • Galvanized steel
  • Magnesium
  • Lead
  • Aluminum
  • Silver
  • Bronze
  • Brass
  • Zinc

Physical Properties
Appearance: Dark amber viscous liquid
Density: 7.6-7.7 lb/gal (0.91-0.92 kg/l)

Performance Properties
M-529 is a unique oil additive which effectively prevents corrosion of engines during storage and at the same time decreases high-temperature oxidation and wear of metal in working engines. Carbon steel was tested in extreme humidity, with M-529 as an additive according to ASTM D-1748, corrosion resistance was provided for 480 hours.

Tested in Castrol Dieselall® SAE 10W30 and SAE 15W40 engine oils, M-529 dramatically improved protection of carbon steel and copper in a humid atmosphere (ASTM D 1748), and protected carbon steel according to the Ball Run Test in acidic conditions.

When tested in the Cummins High Temperature Corrosion Bench Test and Multimetal Cummins Bench Corrosion Test, M-529 caused no adverse affect on chemical and physical parameters of oil.

Field tests in a gasoline-powered V-8 engine confirmed that incorporating M-529 to engine oil reduces the wear of metals and preserves the oil from oxidation.

Exxon Mobil 320 SHS with 4.5% M-529 L passes Load Stage 12 when tested according to ASTM D 5182, Evaluating the Scuffing Load Capacity of Oils (FZG).

Packaging and Storage
Available in 5 gallon plastic pails (Cortec Product # 14503096) or 55 gallon metal drums (Cortec Product # 14503097). 5 gallon drum weighs 50 pounds and ships under our standard shipping rates. The 55 gallon drum must be shipped by truck. We will provide you with a freight quote before we ship this product. M-529 should be sealed before storage. The shelf life is up to 24 months.

Quantity Discounts Available for Large Orders. Please call for more information.

Need more information?

Call a Product Specialist

Monday through Friday, 8 a.m. - 4:30 p.m.
Phone U.S.: 1-877-256-9301
Fax: 608-203-1112

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