Multi-layer wrapping material with water vapor-permeable...

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/10 (2006.01) B32B 5/24 (2006.01) B32B 7/12 (2006.01) B32B 33/00 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2724260

A multi-layered sheet material for wrapping metal goods to protect them from corrosion during storage has a water impermeable and water vapor-impermeable outer layer comprising a coated woven scrim and a water-impermeable and water vapor-permeable inner layer comprising a micro-perforated film. The inner layer incorporates corrosion inhibitors. The outer and inner layers are bonded along their longitudinal edges leaving a space between the layers into which water vapor can migrate away from the wrapped metal product.

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