What information should I send for a packaging RFQ?

Send size, material target, product filling weight, artwork file, order quantity, destination country and required packaging test.

What is the MOQ for BestPackFactory custom packaging?

The standard MOQ is 500 PCS for custom packaging projects, subject to material, printing process and structure.

Technical Whitepaper · Flexible packaging

Flexible Packaging Material Structure Guide: MOPP / VMPET / PE vs PET / AL / PE

A barrier-focused guide for choosing laminated flexible packaging structures by oxygen barrier, moisture barrier, seal strength and filling condition.

Buyer Answer Snapshot

Best for B2B buyers comparing material, process and test parameters.
Includes measurable factory parameters instead of vague sales language.
Use the tables below as RFQ input when requesting samples and quotes.

Laminate comparison

Structure	Typical thickness	Barrier level	Best for
MOPP/VMPET/PE	102–122 µm	OTR ≤1.5; WVTR ≤1.2	Dry food, powder, snack
PET/AL/PE	99–119 µm	OTR ≤0.5; WVTR ≤0.5	High barrier, aroma protection
Kraft/VMPET/PE	162gsm equivalent	OTR ≤1.5; WVTR ≤1.2	Natural kraft brand positioning

Closure decision

Filling	Recommended zipper
Fine powder	6–8 mm powder-proof zipper
Coffee beans	Standard PE zipper + degassing valve
Child-resistant market	Double-lock CR zipper

Related product pages

RFQ checklist

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

Factory Engineering Workflow

Real Factory Testing Process

Start with filling condition: dry powder, oily snack, coffee, pet food or aroma-sensitive material.
Select laminate structure and run heat seal trial on the final PE/CPP sealant layer.
Check OTR/WVTR target against shelf-life requirement, then confirm zipper and tear notch position.
Perform vacuum leak test, filled drop test and zipper cycling test before mass production.

Common Buyer Mistakes

Using low-barrier PET/PE for aroma-sensitive products.
Selecting zipper position before confirming fill height.
Ignoring seal contamination risk for powder products.

Buyer Decision Tree

Use MOPP/VMPET/PE for good barrier and premium matte appearance.
Use PET/AL/PE when very strong oxygen and aroma barrier is required.
Use kraft/VMPET/PE when the brand needs natural paper appearance with barrier protection.
Use powder-proof zipper for fine powder to reduce zipper contamination.

RFQ Template for Flexible Packaging Material Structure Guide: MOPP / VMPET / PE vs PET / AL / PE

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.