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4-side Seal Bag

Seal Bag with Handle for Potato Starch – Food Grade, High Barrier, Retail Ready

High-barrier 4-seal bag with top handle—ideal for potato starch, cooking flour, and food ingredients. Moisture-resistant, printable, and perfect for retail display.

Features

  • Four-Side Seal、Top Handle、Food Grade Material、High-Print Quality、Stand-Up Structure、Custom Sizes

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Product Features

  • Four-Side Sealing: Top, bottom, and both sides are heat-sealed—creates a robust "pocket" that resists bursting, leakage, and tampering.

  • Material Options:

    • Standard Barrier: PET/PE (for non-sensitive products)

    • High Barrier: PET/AL/PE (blocks O₂, moisture, light—ideal for sensitive formulations)

    • Eco-Friendly: PLA-based or compostable films (certified by OK Compost)

  • Sealing Technology: Four-side heat seal with reinforced edges—resists tearing during handling.

  • Print Excellence: Full-color offset printing; supports Chinese characters, English text, barcodes, and regulatory symbols.

  • Finishing Options: Peelable seal, tear notch, or child-resistant closure.

  • Structure Types:

    • Flat Bottom: Lays flat on shelves

    • Stand-Up: Self-supporting when filled (requires gusseted bottom)

  • Certifications: FDA-compliant, GB 4806.7 (China food contact), ISO 22000


Product Advantages

  • Retail Ready: Stand-up design makes it perfect for supermarket and grocery store displays.

  • Consumer Trust: Full surface branding with bilingual labels enhances professionalism.

  • Hygiene Protection: Sealed environment prevents contamination during storage and transport.

  • Automation Ready: Compatible with high-speed HFFS lines at speeds up to 100 bags/min.


Quality Assurance

  • Seal Strength: ≥30 N/mm (tested per ASTM F88)

  • Moisture Barrier: WVTR ≤3 g/m²/24h (with PE liner)

  • Oxygen Barrier: OTR ≤2 cc/m²/day (with AL layer)

  • Color Accuracy: ΔE ≤3 for critical colors

  • Production Control: In-line inspection, metal detection, and batch traceability via QR code.


Product Specifications

ApplicationMaterialThicknessTypical Size (W×H)Print AreaMax Capacity
Potato StarchPET/PE100 μm8×12 cmFront Only500g
CornstarchPET/AL/PE110 μm10×15 cmFront + Back1kg
Baking PowderPET/PE90 μm7×10 cmFront Only300g
Tapioca FlourPET/VMPET/PE120 μm12×18 cmFull Surface2kg

Note: Custom sizes and structures available. MOQ: 5,000 pcs.


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