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Peelable membrane closures
For the ultimate convenience, choose Sonoco's peelable membrane closures for dry food applications. These ends create a hermetic seal, keeping out unwanted oxygen, moisture and aroma while requiring the lowest amount of opening force.
 
Ultraseal® membrane ends: Sonoco Ultraseal membrane ends are lightweight, peelable and smooth. The easy, one-piece opening has no sharp edges, so cuts are a thing of the past. The Ultraseal end is specifically designed for non-processed applications. The membrane creates a hermetic seal, keeping out oxygen, moisture and aroma. >>>
Sealed-safe membrane ends: Lightweight, smooth, peelable customer-preferred closures provide easy, one-piece opening. Designed specifically for dry products, the membrane creates a hermetic seal, keeping out unwanted oxygen, moisture and aroma. Can be used for coffee with certain vacuum applications. >>>
Ultrapeel™ membrane closures: Sonoco delivers North America's first retortable membrane closure. The Ultrapeel closure system delivers the ultimate in convenience for processed foods. >>>
Valved Ultraseal® membrane closure: Sonoco's innovative valved Ultraseal membrane end is easy to open, store and re-close while providing the manufacturing benefits of a pressure release valve. >>>
 
 
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