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VpCI-649 Liquid: Multimetal Closed Loop Treatment

来源：Cortec防锈浏览：- 发布日期：2026-04-17 15:51:42【大中小】

PRODUCT DESCRIPTION
VpCI®-649 is a unique concentrated liquid formulation that protects ferrous and non-ferrous metals from corrosive solutions. In addition, this product is designed to provide long-term protection in fresh water and glycol closed loop systems.
VpCI®-649 combines contact and volatile corrosion inhibitors along with anti-scalants in a formulation that does not contain nitrites, phosphates or chromates. This product helps solve the problem of disposal, particularly for large quantities of water.
VpCI®-649 contains a molybdate tracer. VpCI®-649 MF is molybdate free, and contains a PTSA tracer for easy detection.
VpCI®-649 is also available in a cold weather version, VpCI®-649 Winterized for the convenience of storage in cold temperatures. VpCI®-649 Winterized provides freezing protection during product storage, it does not provide freezing protection to the diluted VpCI®-649 Winterized water solutions.

TYPICAL APPLICATIONS

• Closed loop cooling systems

• Fire extinguishing system dry layup

• Hydrostatic testing of pipelines, casings, tanks, and valves

• Packer fluid additive

• Cooling tower layup

FEATURES
• Effective for a broad range of applications to stop aggressive corrosion in systems containing fresh water, glycol coolants, etc.
• Vapor phase action provides protection to areas that contact inhibitors cannot reach
• Contains an acrylic polymer to prevent scale formation
• Readily water-soluble liquid for easy application
• Protects copper, steel, galvanized steel, and aluminum
• Effective in low dosages
• Does not contain free amines

VpCI®-649 GENERAL DOSAGING GUIDELINES

Protection Length	Volume VpCI®-649 per 100 gal	Volume VpCI®-649 per 100 L	Dosage (%)	ppm
During Testing & Operational Protection	0.3 gallons (38 ounces)	300 mL	0.3	3000
Up to 6 months	0.5 gallons (64 ounces)	500 mL	0.5	5000
6-12 months	1 gallon	1L	1	10000
12-24 months	1.5 gallons	1.5L	1.5	15000

*These are general dosing guidelines and may not be suitable for every application.
Please contact Cortec® Technical Service for specific dosage information.

TYPICAL PROPERTIES
VpCI®-649
Appearance Amber Liquid
Density 9.5-9.7 lb/gal (1.14-1.16 kg/L)
Type Water-based
pH 9.1-9.6 (Neat)
Freeze Point 7 to 10°F (-14 to -12°C)

VpCI®-649 Winterized
Carrier Water+ Propylene glycol
Density    9.3-9.7 lb/gal (1.11-1.16 kg/L)
pH   9.1-9.6 (neat)
Freeze Point   -36.4 oF (-38℃)

STORAGE AND PACKAGING
VpCI-649 is available in 5 gallon (19 liter) pails, 55 gallon (208 liter) drums, liquid totes, and bulk.
To ensure best product performance, store in original packaging,indoors, and out of direct sunlight at 4-38℃.
Shelf life: 2 years

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