VpCI-641 contains a combination of contact and vapor phase corrosion inhibitors capable of protecting even partly filled spaces.

FEATURES
•Non-flammable
•Non-toxic
•Contains no nitrites or phosphates
•Environmentally friendly
•Effective in low concentrations
•Economical
•Readily soluble in water
•Provides protection in wide temperature range (up to 203ºF (95ºC)

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

TYPICAL APPLICATIONS
VpCI-641 is formulated to protect metals from corro- sion caused by fresh water. The most typical applica- tion is addition of VpCI-641 to water during hydro testing. In some cases it can be utilized in cooling systems filled with fresh water. Use calcium free water if clearness of solution is desired.
For long-term post application protection, please use in combination with VpCI powders. For dosage rate consult Cortec representative.

PHYSICAL PROPERTIES
Appearance Slightly hazy off-white liquid
pH 7-8.5 (neat)
Non-volatile Content 24-37%
Density 8.5-8.7 lb/gal (1.02-1.04 kg/l)

PACKAGING
VpCI-641 is available in 5 gallon (19 liter) plastic containers, 55 gallon (208 liter) metal drums, liquid totes, and bulk.

CONDUCTIVITY CHART