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Cortec M 528

Cortec M 528

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Cortec M 528/528L are hydraulic fluid additives used in subsea operation management systems and other water-based processes.

They prevent corrosion in steel, bronze, copper, galvanised steel, brass, aluminium, and other ferrous/non-ferrous alloys and metals. M 528 and its variant (528L) prevent rusting in vapour and contact phases.
M 528L includes a supplementary grease package.

Features

  • Stable in water systems with 6pH level or above.
  • Dissolves in oils, alcohol, water, and glycols but incompatible with hydrocarbon solvents.
  • Non-phenolic.
  • Suitable with Seawater.
  • Thermostable.
  • Non-hazardous and safe for the environment.
  • Successfully assessed in an IP287-compliant Ethylene Glycol/water mixture with or without seawater input.
  • The Ethylene glycol/water fluid containing M 528L has good anti-wear capabilities, according to Falex test results.
  • Biodegradable.
  • Complies with HOCNF environmental regulations.

Application

  • As Hydraulic additives in subsea manufacturing control systems.
  • Cutting and synthetic cooling fluids.
  • Industrial/production cooling towers.
  • Lubricants (Water-based only).
  • Aerosol formulations.
  • Alkaline metal cleaners.
  • Fluid additive to Radiators.
  • Drilling muds (Water based only).

 Test Results

Test Performed

Results

 

IP287

a. Liquid corrosion test on neat fluid

 

No Corrosion

b. with 10% of seawater

No Corrosion

c. with 2.5% of seawater

No Corrosion

IP125: Vapor phase corrosion test

Pass

10% by volume seawater contamination

Clear Fluid

 

Stability at

Room temperature

Clear Stable

70°C

Clear Stable

-20°C

Clear Stable

*All tests were performed in the the solution

Ethylene Glycol/water=40:50 with added 10% of M 528 or M 528L 

Falex Lubricant Testing

Ethylene Glycol/water 40:50 with 10% of M 528L

Load (lb) at (min)

Torque values (lb.in)

100(1)

6.3

200(1)

10.7

300(1)

13.3

400(1)

17.8

500(1)

21.3

500(30)

18.2

Number of tests

6

% Weight loss on pin

0.058%


 Standard Test Methods

OECD Method 301D

Biodegradable

ASTM D-4172

4-Ball Wear Test

ASTM D-130

Copper Strip Corrosion

ASTM D-665

Rust Preventing Characteristics

ASTM D-974

Acid/Base Number by Titration

ASTM D-1748

Humidity Testing

ASTM D-2196

Brookfield Viscometer

 

Packaging & Storage

M 528/528L are available in drums, liquid totes, bulk and pails. Pail variants are available in 5 gallons (or 19 liters). Bigger variants are 55 gallons (or 208 liters).

Recommended storage is a heated warehouse to prevent freezing the fluid.

Keep the original packaging and should be sealed properly. The M 528L/528 fluid can be stored up to 24 months.

 

Product Specifications (.PDF)
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