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Cortec Corporation has announced a breakthrough water-based rust preventative that reduces applied cost by 40%. EcoCorr Water-Based Rust Preventative, powered by Nano VpCI, is a complete replacement for oil-based rust preventatives used for temporary indoor protection of equipment and components.

EcoCorr image 1According to the company, EcoCorr offers excellent corrosion protection while reducing carbon footprint and cutting common labor or disposal costs associated with traditional rust preventatives. “It is convenient to use and easy to clean. When applied to the metal surface by dipping, brushing, or spraying, EcoCorr forms a clear dry film that is suitable for robotic assembly of precision machined components. In most cases, the dry film of EcoCorr does not interfere with use and does not need to be removed, but this can be easily done when required,” Cortec says.

Freshly exposed metal surfaces are especially vulnerable to flash rust and corrosion between manufacturing process steps. In order to avoid losses from corrosion, it is very important to apply a rust preventative to protect metal parts awaiting the next step of machining, assembly, or shipment. This is typically done with an oil- or solvent-based rust preventative, which can be messy, hazardous to use, and inconvenient to remove.

EcoCorr water-based rust preventative improves plant cleanliness and worker safety by eliminating greasy spills, flammable rust preventatives, and hazardous elements such as nitrite, phosphate, and hazardous amines. Special ventilation is not required for application, and labour and disposal costs associated with hazardous oil-residue removal are eliminated.

Though oil- and solvent-based rust preventatives are commonly relied on for their rust preventive qualities, EcoCorr offers an environmentally friendly, easy to use alternative. Under ASTM D-1748 testing, during which coated metal panels are exposed to approximately 100% relative humidity in high temperatures of 120°F (49°C), EcoCorr provided more than 800 hours of protection.

The product has excellent wetting qualities but dries into a clear film that is stable up to 284°F (140°C). This film can be left on during component assembly, can be coated over with conventional paint systems, and in most cases, can be welded. This prevents flash corrosion and extends the shelf-life of finished goods. EcoCorr offers protection for up to two years of sheltered/indoor storage of carbon steel, cast iron, stainless steel, galvanized steel, aluminum, and copper.

EcoCorr is useful for temporary storage of castings, tubular parts, finished parts, gears; pumps and housings; structural steel, sintered metals; bars and roll stock; and precision machined components. In addition to the ASTM D-4627 Cast Iron Chip Test, the product passes the ASTM G-31 Immersion Corrosion Testing and ASTM D 3359 Measuring Adhesion by Tape Test. It is compliant with NACE RP0487-2000 Selection of Rust Preventives.

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