Board Grades & Strength Ratings

ECT Ratings • Material Specifications

The right board grade ensures optimal protection and cost efficiency

Slide 1

Understanding Board Grades

Board grade determines the strength and durability of your partitions. We source materials from certified quality mills and help you select the optimal grade based on your product weight, shipping conditions, and budget.

ECT-32

Standard strength for lightweight products

Edge Crush Test: 32 lbs/inch
Bursting Strength: 200 lbs/sq.in
Most economical option

Best For:

  • • Lightweight products (under 20 lbs per box)
  • • Short-distance shipping
  • • Non-fragile items
  • • Cost-sensitive applications

ECT-44

Popular

Standard for most commercial applications

Edge Crush Test: 44 lbs/inch
Bursting Strength: 275 lbs/sq.in
Balanced strength & cost

Best For:

  • • Medium-weight products (20-50 lbs)
  • • General shipping needs
  • • Most food & beverage products
  • • Standard retail packaging

ECT-48+

Heavy-duty strength for demanding applications

Edge Crush Test: 48+ lbs/inch
Bursting Strength: 350+ lbs/sq.in
Maximum protection

Best For:

  • • Heavy products (50+ lbs)
  • • Long-distance shipping
  • • Fragile or valuable items
  • • International shipping

Additional Material Specifications

Liner Options:

  • • Kraft liner (natural brown)
  • • White top liner for printing
  • • Recycled content liners
  • • Virgin fiber for food contact

Certifications Available:

  • • Material certifications from mills
  • • ECT test reports
  • • Moisture content analysis
  • • Compression test data

Quality Assurance

1

Certified Mills

All materials sourced from quality-certified manufacturers

2

100% Inspection

Every partition checked for quality standards

3

Testing Available

Drop tests, compression tests, transit simulation

Get Expert Material Recommendations

We'll help you select the optimal board grade

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