28 x 20 x 6 Corrugated Boxes

- -friendly Technical Product Description:
- Flat Shipping Boxes for Freight and Storage Savings.
- Larger quantities available, call for a quote.
- Bundle/Bale Quantity: 20 / 140 lbs./ Bundle: 45 lbs.
- Dimensions: Outside: 28 3/8 x 20 3/8 x 6 5/8 (+/- 1/8)
- FedEx and UPS Dimensional Weight: 29 lbs.
- Material: C flute
- Features: All boxes open along the length. Glued seams for added strength.
- Specifications: Meets ASTM D5118 standards.
- Terminology: 200# Test vs 32 ECT (Edge Crush Test)
- 200# Test: 60% stronger bursting strength. Recommended by UPS for shipping up to 40 lbs.
- 32 ECT: Recommended by UPS for shipping up to 30 lbs.
- Pound Test Refers to Bursting Strength: 200# test boxes withstand 200 lbs/sq.in. of side wall pressure before bursting.
- ECT Refers to Stacking Strength: 32 ECT boxes withstand 32 lbs/linear inch of stacking weight before crushing.
- Box Strength Guidelines (Maximum weight per box):
- Fiber Box Handbook:
- UPS Guidelines:
- 32 ECT Single Wall: 65 lbs (30 lbs for UPS)
- 200# Single Wall: 65 lbs (40 lbs for UPS)
- 275# Single Wall: 95 lbs (65 lbs for UPS)
- 350# Single Wall: 120 lbs (80 lbs for UPS)
- 200# Double Wall: 80 lbs (60 lbs for UPS)
- 275# Double Wall: 100 lbs (80 lbs for UPS)
- 350# Double Wall: 120 lbs (100 lbs for UPS)
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