Block Bottom Open Mouth Paper Plastic Composite Bag
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Block Bottom Open Mouth Paper Plastic Composite Bag

Paper-plastic Composite Block Bottom Open Mouth Bag (Block Bottom SOS Bag) is an industrial packaging for powder and granular materials. It is made of yellow or white kraft paper laminated with inner PP woven fabric under high temperature. The bag features a glued block bottom and an open top. It can stand upright automatically and form a rectangular shape after filling. Optional accessories include PE liner, air vents and color printing. Sewing sealing is adopted after filling. Compatible with both manual and automatic filling lines, it is widely used for packing chemical powder, plastic pellets, dry mortar, mineral powder, feed additives and other materials.
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Product Introduction

Self-standing block bottom, no need to hold the bag manually during filling. Suitable for automatic and manual packing lines.

Rectangular shape after filling, stable pallet stacking, less collapse and breakage, saving warehouse space.

Kraft paper laminated with PP woven fabric, high tensile strength and tear resistance. Optional PE liner for moisture and dust protection.

Good printing performance on kraft paper surface for brand logo and product information.

Wide open mouth, works well for both fine powder and coarse granules. Flexible customization on size, thickness and accessories.

Flat when empty, low storage and transportation cost for empty sacks.

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