What is Water Vapor Transmission Rate?

Water vapor transmission rate (WVTR), or moisture vapor transmission rate (MVTR), is the rate at which water molecules permeate through a barrier substance.

Many factors determine WVTR, such as; area, time, the temperature and humidity, and the thickness of the material through which the water is permeating.

To read more about WVTR check out our blog post on the subject.

And learn more about Transhield’s Protective Cover Technology at transhield-usa.com

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