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Technical Whitepaper · Pet food packaging

Pet Food Flat Bottom Bag Barrier and Seal Strength Guide

A practical guide for heavy-duty pet food bags covering laminate thickness, zipper strength, puncture resistance and filled-bag drop testing.

Buyer Answer Snapshot

Pet food bag targets

ItemTarget
LaminatePET 12µm / VMPET 12µm / PE 100–130µm
Seal strength≥45 N / 15 mm
Zipper8–12 mm heavy-duty zipper
Puncture resistance≥8 N target
Drop test1.0 m filled bag drop on 6 faces

Related product pages

RFQ checklist

  1. Confirm target market and regulatory label requirements.
  2. Send size in mm, product weight, filling condition and shelf-life target.
  3. Confirm material structure, surface finish, barcode/QR position and quantity.
  4. Ask for sample approval before bulk production.
Factory Engineering Workflow

Real Factory Testing Process

  1. Measure kibble edge hardness and oil content before choosing laminate thickness.
  2. Use heavy-duty PE sealant and run seal strength testing on side seams and bottom gusset.
  3. Test zipper cycling after filling because pet food dust can contaminate the zipper.
  4. Run a six-face filled bag drop test before mass production.

Common Buyer Mistakes

Buyer Decision Tree

  1. Use flat bottom bags for retail shelf stability.
  2. Use slider zipper when repeated opening is important.
  3. Use PET/AL/PE for high-fat pet food with stronger oxygen barrier.
  4. Add handle holes for larger bags if carton packing allows it.

RFQ Template for Pet Food Flat Bottom Bag Barrier and Seal Strength Guide

Copy this template into your inquiry to receive a faster and more accurate factory quote:

Product:
Size:
Quantity:
Material structure / paper GSM:
Printing colors:
Surface finish:
Closure / valve / insert:
Barcode or QR code requirement:
Destination country:
Artwork file available: Yes / No
Target delivery time:

FAQ

What is the MOQ?

BestPackFactory standard custom packaging MOQ is 500 PCS. Exact MOQ can vary by material, printing process and structure.

Do I need a dieline before quotation?

A dieline is helpful, but not required. You can send product size, filling weight and reference packaging, and the engineering team can prepare a dieline for approval.

Can the specification be changed after sampling?

Yes. Material structure, thickness, zipper, coating and print finish can be adjusted after sample testing before bulk production.

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