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Cortec VpCI-377/377 Winterized

来源：Cortec防锈浏览：- 发布日期：2026-04-17 15:57:50【大中小】

PRODUCT DESCRIPTION
VpCI®-377 is a water-based concentrate designed as a complete replacement for oil-based rust preventives for indoor protection of equipment and components. VpCI®-377 is a corrosion preventive liquid that meets tough anti-pollution requirements. The wide dilution range with water (0.5-20%)* allows flexibility to customize the length of protection required and the applied cost per square foot (or m2).
VpCI®-377 forms a solution in water and is applied to metal surfaces by spraying or dipping. In many cases, VpCI-377 does not always need to be removed, but if necessary, can be removed with conventional alkaline cleaners, such as Cortec VpCI®-414.
VpCI®-377 is also available in a cold weather version. VpCI-377 Winterized has a lower freezing point for the convenience of application and storage in cold temperataures.

*Contact Cortec® Technical Service for dilution recomendations.

FEATURES
•Protects ferrous and non-ferrous metals
•Water-soluble, safe to apply
•Very stable in hard water
•Will not clog filtration systems
•Forms a clear, dry, hydrophobic film
•Easy to remove if necessary
•Nitrite and phosphate ester free

•Non-flammable

•Passes ASTM D-4627-86 (Test Method for Iron Chip Corrosionfor Water-soluble Metalworking Fluids) at 2% by weight
•Excellent wetting properties
•No hazardous decomposition by-products
•Can be coated over with most conventional paint systems

TYPICAL APPLICATIONS
Thin film coating for dry storage of:
•Castings, tubular parts, finished parts, gears
•Pumps and housings
•Textile and printing equipment
•Structural steel, sintered metals
•Bars and roll stock
•Additive to rinse water systems
Spraying or dipping on metal surfaces will provide indoor protection.

METALS PROTECTED
•Carbon steel
•Aluminum
•Stainless steel
•Copper
•Galvanized steel

APPLICATION
Product Preparation:
Add VpCI-377 to water and mix thoroughly. Spray, dip, or use in parts washers and rinse tanks. Solution concentration can be monitored by a refractometer, or pH.

TYPICAL PROPERTIES
VpCI®-377
Appearance Clear dark brown or black liquid
Film Type Dry, clear
Non-volatile Content 40-47%
pH 7.5-9.5 (Neat)
Density 8.7-9.2 lb/gal (1.04-1.10 kg/l)
BOD/COD 0.48

(2.5% solution in water 28 days)
Corrosion Resistance Up to 24 months indoors

VpCI®-377 Winterized
Appearance Clear amber liquid
Film Type Dry, clear
Non-volatile Content 36-42%
pH 7.8-8.9 (Neat)
Density 8.8-9.2 lb/gal (1.05-1.10 kg/l)
Carrier Water + Propylene glycol
Freeze point -22°F (-30°C)
Corrosion Resistance Up to 24 months indoors

STORAGE AND PACKAGING
VpCI-377 is available in 5 gallon (19 liter) pails, 55 gallon (208liter) drums, liquid totes, and bulk. The product should be stored sealed in a heated warehouse to avoid freezing.
VpCI-377 Winterized is available in 5 gallon (19 liter) pails, 55 gallon (208 liter) drums, liquid totes, and bulk.
Shelf life is 24 months.