Industry Standards
Understanding box specifications
Key Standards
Edge Crush Test (ECT)
Measures the stacking strength of corrugated board. Ask the supplier for the rating of the specific box.
Mullen Burst Test
Measures how much pressure the board resists before bursting. Relevant for sharp or heavy contents.
Load Rating
Depends on wall type and board strength. Confirm the load rating with the supplier before filling a box.
ISPM 15 Pallets
Wood pallets for international shipping are heat-treated (56 °C for 30 minutes) or fumigated and marked under ISPM 15. Check current regulations for your shipment.
Common Specifications
Have Specific Requirements?
Include any specification you need in your quote request, such as wall type or test rating, and a partner supplier follows up. Check current regulations that apply to your shipment.
Request a QuoteFrequently Asked Questions
How are grades defined?
Grade A: best condition, clean, minimal wear. Grade B: good condition, light wear, fully functional. Grade C: fair condition, visible wear, still structurally sound.
Is there an official grading standard?
Grades are common trade shorthand and vary by supplier.
How can I compare suppliers?
Ask for photos and a written description of the boxes.
Can I see photos before I buy?
Ask the supplier.
How are prior patches or damage described?
Ask the supplier how they describe prior patches or damage and whether any are present.
What if boxes do not match the grade?
Ask about the supplier's policy before ordering.
Is there strength testing?
Ask the supplier to confirm the wall type and load rating.
Do grades vary by size?
The terms are the same, but each supplier decides how to apply them.
Can I ask for cleaner boxes?
Yes. Put your requirement in the request.
Is any grade recommended for regulated products?
No. Ask the supplier and check current regulations.