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PRODUCT DESCRIPTION
M-370 is a multimetal, corrosion preventive additive for water-based metalworking fluids, lubricants, cleaners and coatings during product manufacturing.
This water-based additive utilizes VCI technology for maximum protection.
M-370 is also available in:
• M-370 NS, a surfactant-free version, which helps in some detergent formulations
• M-370 HS, a high surfactant version for providing a source of a compatible surfactant with levels high enough to clean
• M-370 C, which provides additional protection to cast parts and surfaces which are rough FEATURES
• Water-soluble
• Environmentally acceptable
• Safe to apply
• Prevents flash corrosion on metal surfaces
• Very stable in hard water
• Forms a hydrophobic film
• Will pass through a 1 micron filter
• Nitrite-free and phosphate ester-free
• Non-flammable
• Passes ASTM D-4627-86 (Test Method for Iron Chip Corrosion for Water-soluble Metalworking Fluids) at 2.0% by weight
• Usually can be added at any stage of production TYPICAL APPLICATIONS
• Coolants
• Primer coatings
• Alkaline cleaners/detergents

SUGGESTED STARTING CONCENTRATIONS
Short-term protection:
1 part concentrate to 50-60 parts solution.
Long-term protection:
1 part concentrate to 40 parts solution.
For protection up to two years:
1 part concentrate to 20 parts solution.

METALS PROTECTED
• Cast iron
• Cast aluminum
• Steel
• Copper
TYPICAL PROPERTIES
Appearance Clear dark brown liquid
Film Type Dry, clear
pH 8.0-9.5 (Neat)
Density 8.8-8.9 lb/gal (1.05-1.07 kg/l)
Non-volatile Content 40-45%

PACKAGING AND STORAGE

M-370 is packaged in 5 gallon (19 liter) containers, 55 gallon (208 liter) drums, liquid totes and bulk. The product should be sealed and stored in a heated warehouse to avoid freezing. M-370 has a shelf life of 24 months.