18 x 8 x 8 Long Corrugated Boxes

- Perfect fit for long, narrow items - no need for custom shipping boxes
- Shipped flat and bundled for compact storage
- Larger quantities available, call for quote
- Bundle/bale quantity: 25/500
- Weight per bundle: 19 lbs
- Dimensions (outside): 18 3/8 x 8 3/8 x 8 5/8 (+/- 1/8)
- Material: C flute
- All boxes open along the length (first dimension)
- Glued seams for added strength
- Meets ASTM D5118 standards
- 200# Test boxes recommended by UPS for shipping up to 40 lbs
- 32 ECT boxes recommended by UPS for shipping up to 30 lbs
- Pound test refers to bursting strength, ECT refers to stacking strength
- 200# test boxes withstand 200 lbs/sq.in. of side wall pressure before bursting
- 32 ECT boxes withstand 32 lbs/linear inch of stacking weight before crushing
- Box strength guidelines (maximum weight per box) from Fiber Box Handbook and UPS
- 32 ECT single wall: 65 lbs (Fiber Box Handbook) / 30 lbs (UPS)
- 200# single wall: 65 lbs (FBH) / 40 lbs (UPS)
- 275# single wall: 95 lbs (FBH) / 65 lbs (UPS)
- 350# single wall: 120 lbs (FBH) / 80 lbs (UPS)
- 200# double wall: 80 lbs (FBH) / 60 lbs (UPS)
- 275# double wall: 100 lbs (FBH) / 80 lbs (UPS)
- 350# double wall: 120 lbs (FBH) / 100 lbs (UPS)
- 500# double wall: 160 lbs (FBH) / 140 lbs (UPS)