Insulating paperboard

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 3/22 (2006.01) B32B 23/06 (2006.01)

Patent

CA 2549332

An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of processed cellulosic fibers. The paperboard provides sufficient insulation to provide a hot water .DELTA.T across the paperboard of at least 0.8 °C per 0.1 mm of caliper. A hot cup may be produced from the insulating paperboard.

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