As the product is microwaved, mounting steam exerts a peel force that opens the top seal, venting the steam and allowing the product to heat without exploding.
A new, patented self-venting stand-up pouch from Curwood (Oshkosh, WI) permits microwave heating of liquid or high-moisture products. It consists of a peelable strip sealed inside the top of any standard stand-up pouch.
Jun 30th, 1996
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