Cortec VpCI-111 VCI Emitter Cup — Protects 11 cu ft, 2-Year vapor corrosion protection

The Cortec VpCI-111 is a compact vapor-phase corrosion inhibitor emitter designed to protect enclosed metal components up to 11 cubic feet for up to two years.

Small control boxes, tool chests, instrument cabinets and electrical enclosures are vulnerable to rust when exposed to humidity, salt, or pollutant gases. The VpCI-111 emits vapor-phase corrosion inhibitors (VCIs) through a breathable membrane that deposits a thin, non-conductive protective layer on metal surfaces without altering electrical or mechanical performance. Installation is simple—peel the backing and stick the cup inside any clean, enclosed volume where metal protection is needed.

How does the VpCI-111 protect metal inside closed spaces?

The emitter releases volatile corrosion inhibitors that diffuse throughout an enclosed volume and settle on all exposed metal surfaces. These inhibitors form a microscopic, non-conductive film that slows electrochemical corrosion processes without affecting connectivity or moving parts.

• Vapor-phase inhibitors distribute evenly in the enclosure airspace.
• Breathable membrane provides controlled, long-term release.
• Protective film is non-conductive and non-interfering with electronics.

How do I install and size the Cortec VpCI-111 for my enclosure?

Choose a clean interior surface inside the enclosure, remove the peel-off adhesive strip from the emitter’s base, and press it into place. Each unit covers up to 11 cubic feet (312 liters); for larger or frequently opened enclosures, use multiple emitters or replace them sooner than two years.

• Adhesive backing allows quick peel-and-stick placement.
• Unit dimensions: 2.25" diameter × 1.27" height—fits small cavities.
• Replace sooner if enclosure is not airtight or doors open regularly.

What environments and metals does the VpCI-111 work in?

VpCI-111 is formulated to provide corrosion inhibition even in the presence of salt, moisture and common industrial gases. It is suitable for a broad range of ferrous and non-ferrous metals found in electrical, electronic and precision equipment.

• Effective against rust in humid, coastal, and polluted environments.
• Safe for electrical contacts, circuits and mechanical surfaces.
• Commonly used in marine, aerospace, medical, and industrial instrument enclosures.

What maintenance and replacement schedule should I follow?

Under typical sealed conditions, a single VpCI-111 can protect up to two years. If the enclosure is opened frequently, vented, or used in particularly aggressive atmospheres, inspect and replace the emitter more often to maintain continuous protection.

• Standard service life: up to 2 years in sealed enclosures.
• Shorten replacement intervals for high-traffic or vented boxes.
• Use multiple units to protect larger volumes or distributed compartments.

Who is this for: The Cortec VpCI-111 is intended for technicians, maintenance teams and equipment owners who need a low-effort, reliable way to guard metal parts inside enclosed spaces—electrical control cabinets, toolboxes, marine electronics housings, medical instrument cases, and delicate measuring devices. It’s ideal when you want steady, non-invasive corrosion protection without coatings, greases or disassembly.