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ECORR Systems helps engineers and maintenance teams select Cortec® powders based on equipment volume, metal type, water conditions, application method, commissioning requirements, and protection period.
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Cortec VpCI®-M-605PS | Chloride Corrosion Protection | 50 lbs M-605 PS are corrosion inhibitors designed specifically as deicing additives to prevent corrosion due to chlorides. M-605 PS...
Cortec VpCI®-M-605PS | Chloride Corrosion Protection | 50 lbs M-605 PS are corrosion inhibitors designed specifically as deicing additives to prevent corrosion due to chlorides. M-605 PS protects both ferrous and aluminum-based alloys. M-605 PS contain no chromate, nitrite, or phosphate inhibitors. These products conform to Pacific Northwest States (PNS) Department of Transportation requirements for additives to deicers and pass their corrosion tests when added to a deicer at a...
ECORR Systems offers Cortec® VpCI® corrosion-inhibiting powders for protecting internal surfaces, recessed areas, cavities, voids, tanks, piping, process equipment, and enclosed machinery during storage, shipment, shutdown, or layup.
As an Authorized Cortec® Distributor, ECORR Systems provides multi-metal, ferrous-metal, water-soluble, biodegradable, and silica-free powder options. We can help identify the appropriate product based on the metals, enclosure volume, application method, system condition, exposure environment, and required protection period.
Internal cavities and complex equipment can be difficult to protect with conventional coatings. Turbines, compressors, boilers, heat exchangers, pipelines, tanks, engines, vessels, and closed-loop systems may contain recessed surfaces that cannot be reached by brush, roller, or direct spray application.
Cortec® VpCI® powders provide a dry and efficient method of introducing corrosion protection into these enclosed spaces. Selected powders may also be dissolved in water for wet preservation, hydrotesting, or compatible water-treatment applications.
VpCI® powders release Vapor phase Corrosion Inhibitor molecules into an enclosed atmosphere. These molecules diffuse throughout the space and adsorb onto accessible metal surfaces, forming a protective molecular layer.
The vapor can reach interior surfaces, voids, crevices, cavities, and recessed areas without requiring the powder itself to coat every surface directly. Selected formulations also provide contact protection where the powder or treated solution reaches the metal.
Multi-metal formulations are designed to protect combinations of ferrous and non-ferrous metals inside enclosed equipment, cavities, tanks, piping, machinery, and packaged assemblies. Compatibility should be confirmed for every metal and alloy present.
Some Cortec® powders are formulated primarily for iron and steel. These products may be appropriate for piping, boilers, tanks, machinery, structural cavities, and other enclosed ferrous-metal systems.
Water-soluble powders may be used in compatible wet or dry corrosion-protection applications. Depending on the formulation, they can be dissolved into hydrotest water, standing water, closed-loop systems, or another approved aqueous carrier.
Selected Cortec® powder products are formulated for increased biodegradability. Biodegradability, disposal requirements, metal compatibility, and water-treatment suitability should be confirmed for the individual product and application.
Silica-free formulations are available for applications where silica content is restricted by system requirements, facility specifications, downstream processing, or cleanliness standards.
Breathable pouches contain VpCI® powder and release protective molecules into an enclosed space without requiring loose powder application. Pouches simplify placement and help reduce powder handling inside packages, vessels, and equipment.
» Cortec® VmCI®-307 Powder A multi-metal corrosion-inhibiting powder for recessed areas, interior cavities, voids, tanks, piping, machinery, dry layup, and equipment protection after hydrostatic testing.
» Cortec® VpCI®-308 Powder A water-soluble, multi-metal powder designed to provide contact and vapor phase protection in enclosed cavities and difficult-to-reach internal spaces.
» Cortec® VpCI®-309 Powder A dry corrosion-inhibiting powder for protecting ferrous-metal surfaces inside piping, vessels, turbines, compressors, boilers, heat exchangers, and stored equipment.
» Cortec® VpCI®-309SF Silica-Free Powder A silica-free formulation for protecting ferrous metals in enclosed recessed areas, cavities, and voids.
» Cortec® VpCI®-309 Pouches Breathable pouches containing VpCI® powder for convenient dry protection of ferrous metals inside packages, equipment, tubular structures, and enclosed spaces.
» Cortec® VpCI®-609 Powder A water-soluble powder for compatible wet or dry corrosion protection of ferrous metals and aluminum.
» Cortec® VpCI®-649 Powder A powdered corrosion inhibitor for compatible open- and closed-loop water systems, heating and cooling equipment, hydrotesting, and water-treatment applications.
The appropriate application method depends on the powder, equipment, enclosure size, accessibility, and whether protection will be applied in a dry or wet system. Approved methods may include:
Only use an application method listed for the selected product. Powder quantity, solution concentration, distribution, and enclosure volume must follow the current technical data sheet.
During dry layup, equipment is drained and prepared before VpCI® powder is introduced into the internal space. The equipment is then enclosed so the protective vapor concentration can develop and remain around the internal metal surfaces.
Dry powder preservation can be useful for boilers, turbines, compressors, heat exchangers, piping, tanks, engines, and other equipment that will remain inactive during seasonal shutdown, construction delays, shipment, or long-term storage.
Hydrostatic testing can leave water trapped inside low points, crevices, valves, fittings, and complex internal spaces. Residual moisture and dissolved contaminants may cause corrosion before the equipment is commissioned.
Depending on the selected powder, VpCI® protection may be introduced through the hydrotest water or applied after draining. The water chemistry, metals, test duration, drainage process, drying method, and time until commissioning should be evaluated when selecting the treatment.
Dry application introduces powder or a powder pouch directly into an enclosed space. It is commonly used for equipment layup, packaged components, cavities, pipelines, and machinery that will remain drained.
Wet application dissolves a compatible powder in water before it is added or circulated through the system. It may be used for hydrotesting, wet layup, closed loops, standing water, and selected process-water applications.
Not every powder is approved for both methods. Confirm solubility, concentration, metal compatibility, discharge requirements, and commissioning procedures before use.
Powder dosage may be based on enclosed volume, internal surface area, water volume, or another product-specific measurement. Using an incorrect calculation can result in inadequate protection or unnecessary product use.
Before calculating treatment requirements, determine:
Vapor phase protection requires an enclosure capable of retaining the corrosion-inhibiting atmosphere. Open vents, missing covers, unrestricted airflow, failed gaskets, and frequent access may reduce the protective concentration.
Separate cavities or sealed compartments may require individual treatment. After powder application, access points should be closed according to the system design and preservation plan.
Removal requirements depend on the powder, equipment, downstream process, and amount applied. Selected powders may be removed using dry air, vacuuming, or a water rinse. In some applications, the remaining molecular layer may not interfere with equipment operation.
Do not assume that every powder can remain in place during commissioning. Turbines, compressors, engines, clean-fluid systems, sensitive instrumentation, and process equipment may have specific cleanliness requirements that must be followed.
Avoid generating unnecessary airborne dust during handling and application. Use the ventilation, respiratory protection, eye protection, gloves, and other controls specified by the current safety data sheet and facility procedures.
Store powder in its original sealed packaging in a dry location. Moisture exposure can cause caking, reduce flowability, or affect product performance. Close containers promptly between uses.
Product characteristics and disposal requirements vary by formulation. Water-soluble or biodegradable does not automatically mean a powder or treated solution can be discharged without review.
Treatment water may contain rust, scale, metals, oil, salts, process chemicals, and other contaminants collected from the system. Facility permits and applicable wastewater requirements should be evaluated before discharge.
» Water Treatment Products Corrosion inhibitors and scale-control products for hydrotesting, cooling systems, boilers, heating loops, and industrial process water.
» Water and Oil Additives Liquid and powder additives for compatible water, oil, hydraulic, fuel, coolant, and process-fluid systems.
» VpCI® Emitting Devices Emitter cups, foam devices, tape, and pouches for corrosion protection inside smaller enclosed spaces.
» Layup and Preservation Products Corrosion control products for equipment shutdown, mothballing, storage, shipment, and long-term preservation.
» High-Performance Coatings Direct-applied corrosion protection for exterior surfaces, equipment, structures, tanks, piping, and machinery.
ECORR Systems is an Authorized Cortec® Distributor helping engineers, maintenance teams, equipment operators, preservation contractors, and industrial facilities select VpCI® powders for dry layup, hydrotesting, storage, shipment, and internal equipment protection.
We can help evaluate the equipment dimensions, internal volume, metal types, water chemistry, application method, environmental exposure, commissioning requirements, and protection period to identify the appropriate Cortec® powder and treatment quantity.
A VpCI® powder is a dry corrosion inhibitor that releases protective molecules into an enclosed atmosphere. The molecules migrate to accessible metal surfaces and form a molecular layer that helps interrupt corrosion.
Applications may include pipelines, tanks, boilers, turbines, compressors, engines, heat exchangers, closed-loop systems, vessels, machinery, packaged components, and other equipment with enclosed internal surfaces.
Selected Cortec® powders are water-soluble and approved for compatible wet applications. Other powders are intended primarily for dry protection. Follow the current technical data sheet for the selected product.
These products differ in metal coverage, solubility, composition, environmental characteristics, and approved applications. The correct selection depends on the metals, system, application method, and commissioning requirements.
Dosage is product- and application-specific. It may be calculated from enclosure volume, system volume, water volume, or internal surface area. ECORR Systems can help determine the information needed for the calculation.
The equipment must be enclosed well enough to retain the protective vapor concentration. Continuous ventilation, open access points, and excessive leakage may reduce effectiveness.
No. VpCI® molecules travel through the enclosed atmosphere to reach accessible metal surfaces, including cavities and recessed areas. The powder must still be properly distributed and the space appropriately enclosed.
Removal requirements depend on the product and equipment. Some formulations can remain without interfering with operation, while sensitive machinery or processes may require air removal, vacuuming, rinsing, or cleanliness verification.
Selected Cortec® powders may provide continuous protection for up to 24 months when properly applied in a suitable enclosure. Actual duration depends on the product, dosage, enclosure integrity, environment, and storage conditions.
Yes. Provide the equipment type, dimensions, internal volume, metals, water conditions, application method, exposure environment, and required protection period. ECORR Systems can help identify an appropriate product and treatment approach.