Cortec BioEmitter Rust Blocker Shield lead
Cortec BioEmitter protects a wide variety of metals from the harmful effects of corrosion – including gun safes and electrical cabinets!

The following is a release from Cortec:

Cortec’s BioEmitter offers easy-to-use protection from rust and corrosion on metals stored in enclosed spaces as large as 50 cubic feet (1.4m3). Simply attach the environmentally safe BioEmitter onto a clean surface inside an enclosed area, then relax knowing your tools, electric panels, or other metallic valuables are protected.

The BioEmitter takes up less than 1 square foot of space and is conveniently packaged in a vented cardboard box,
allowing Cortec’s innovative Vapor phase Corrosion Inhibitors (VpCIs) to migrate throughout the surrounding space to form an invisible molecular shield on metal surfaces, sealing off air and moisture – even in the hardest to reach areas.

The BioEmitter provides long-term protection against corrosion even in the presence of adverse conditions including salt, moisture, airborne contaminants, H2S, SO2, NH3, and others.

Cortec’s BioEmitter is made with bio-based, renewable materials; the VpCIs are non-toxic and do not contain nitrates, silicones, phosphates, or heavy metals. They also have no adverse effects on electrical or chemical properties, and do not harm plastics, elastomers, or painted surfaces.

The BioEmitter protects a wide variety of metals from rust and corrosion. These metals include mild steel, galvanized steel, brass, solder, cast iron, silver, aluminum alloys, magnesium alloys, copper, and copper-nickel alloys.

Typical Applications:

  • Electrical cabinets
  • Instrument cabinets
  • Tool chests
  • Storage lockers
  • Trailers
  • Gun safes
  • RV storage holds
  • Pool pump enclosures
  • Boat storage cabinets
  • Pick-up truck boxes
  • Fishing tackle boxes.

With its easy-to-use compact size and high bio-based content, the BioEmitter is convenient and safe to use. It is effective in polluted and humid environments and does not interfere with electrical, optical, or mechanical performance.

It can be used in spaces larger than 50 cubic feet by simply hanging multiple BioEmitters in opposite corners of the area you need protected.

For more information on BioEmitter and other products from Cortec, please visit

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