Cortec M-528

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Product Description

M-528/528L are the additives for hydraulic fluids used in subsea production control systems and other water based process fluids.

They provide corrosion protection for steel, copper, brass, aluminum, bronze, galvanized steel, and other ferrous and non-ferrous metals and their alloys. M-528/528L prevent corrosion in both phases: contact and vapor.

M-528L contains an additional lubricant package.

Featues

Stable in aqueous systems at pH of 6 or above
Soluble in water, glycols and alcohols; insoluble in hydrocarbonbased solvents; dispersible in oils •
Non-phenolic
Seawater compatible
Thermostable
Was evaluated with good results in Ethylene Glycol/water blend according to IP287 with and without seawater addition
Falex test data show that antiwear properties of Ethylene glycol/ water based fluid containing M-528L are excellent
Biodegradable
Non-hazardous, environmentally friendly
M-528 is in compliance with HOCNF (Harmonized Offshore Chemical Notification Format) environmental requirements

Typical Properties

M-528

Appearance	Clear yellowish to amber liquid
pH	8-9 (1% in water
Density	8.5-8.7 lb/gal (1.02-1.03 kg/l
Non-volatile (weight)	50-60% (M-528) 295°F (146°C)

M-528L

Appearance	Clear yellowish to amber liquid
pH	7.5-8.5 (1% in water)
Density	8.6-8.8 lb/gal (1.03-1.06 kg/l)
Non-volatile (weight)	60-70% (M-528L)

Applications

Hydraulic fluids used in subsea production control systems
Synthetic coolants and cutting fluids
Industrial cooling towers
Water based lubricants
Aerosol formulations
Alkaline metal cleaners
Radiator fluid additive
Water based drilling muds

Packaging and Storage

M-528/528L are packaged in 5 gallon (19 liter) pails, 55 gallon (208 liter) drums, liquid totes, and bulk.

These products should be stored sealed in a heated warehouse to avoid freezing. M-528/528L have a shelf life of 24 months.