Tear/puncture resistant material

Details Tear/puncture resistant material Tear/puncture resistant material

B - Operations, Transporting

65

D

B65D 65/40 (2006.01) B32B 27/08 (2006.01) B32B 27/12 (2006.01) B65D 65/02 (2006.01)

Patent

CA 2270126

A tear/puncture resistant material made of polyethylene and polypropylene. The material is ideally suited for wrapping steel or many other uses. The material of the present invention includes four layers attached by lamination. The outer layer is woven polyethylene, which imparts tear resistance to the material. This outer layer is laminated to a layer of extruded polyethylene. This layer, which provides breaking and puncture resistance to the material, is laminated to a layer of polypropylene, which provides additional elasticity. The layer of polypropylene is laminated to an inner layer of polyethylene impregnated with a volatile corrosion inhibitor (VCI) such as sodium nitrite. This inner layer, which increases the puncture resistance of the material, provides corrosion protection to the wrapped object, e.g. a steel roll.

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