Envelop Protective Covers are the only product available that utilize the groundbreaking combination of breathability, waterproofing, and Vapor Corrosion Inhibitors (VCI) to eliminate corrosion and prevent environmental degradation. This technology was developed thru a U.S. Navy funded Small Business Innovative Research (SBIR) project to find a more effective way to protect exposed assets. Envelop Protective Covers were developed and patented as a result of the SBIR project.
Envelop is a custom fit cover that can be used on nearly any asset. The material is waterproof so that liquid water cannot permeate the cover from outside, however, water vapor can pass thru the cover. The breathable nature of the cover prevents the “greenhouse” effect while reducing condensation and keeping the metal surface dry. Most Envelop covers also mitigate corrosion thru the use of a Vapor Corrosion Inhibiting (VCI) layer which emits ions that bond with water molecules preventing them from bonding with metal. This stops electron transfers thereby preventing corrosion. The ions do not bond with metal or optics nor do they affect electronics in any way.
The patented technology that makes Envelop so effective is the combination of breathability and VCI. Moisture vapor transmission, the measure of breathability, alone will not lower humidity below corrosive levels inside the cover if the ambient humidity is at a corrosive level. Without VCI, a cover has no ability to fight corrosion without lowering relative humidity under the cover to a level that is less than ambient. The way to most effectively protect an asset is to provide a cover with a vapor transmission rate that is high enough as to not cause a greenhouse effect while also incorporating a VCI for those cases where humidity is at a corrosive level. Envelop Protective Covers are the only product available that combines high moisture vapor transmission with a VCI.
The Envelop solution is easy to use, similar to traditional covers used by the military, however, Envelop’s cover technology has been shown to reduce corrosion by up to 95%. In addition to corrosion protection, Envelop will protect against moisture, sand, dirt, UV, airborne pollutants, heat, cold, FOD impact, and wind.