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18x18x18 Square Boxes 32 ECT Large Corrugated Box

18x18x18 Square Boxes 32 ECT Large Corrugated Box

Regular price $2.99
Regular price $3.49 Sale price $2.99
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Boxes are shipped/delivered in bundles of 20. 

Unbranded (no markings except small ECT testing stamp on bottom)

Made in USA.

Ship toys, clothing, towels and other durable items.
32 ECT boxes are up to 19% lighter than 200 lb. test.

DIMENSIONS:
  • Outside: 18 3/8 x 18 3/8 x 18 5/8" (+/- 1/8")
  • All FedEx and all UPS Dimensional Weight: 45 lbs
MATERIAL: 
  • All 32 ECT boxes are C flute except: 
FEATURES:
  • All boxes open along the length (first dimension).
  • Seams are glued.
SPECIFICATIONS:
  • Meets ASTM D5118
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.
    • An alternative for lightweight shipments.
BOX STRENGTH GUIDELINES: (Maximum weight per box)                       
FIBER BOX HANDBOOK UPS GUIDELINES
32 ECT Single Wall 65 lbs 30 lbs
200# Single Wall 65 lbs 40 lbs
275# Single Wall 95 lbs 65 lbs
350# Single Wall 120 lbs 80 lbs
200# Double Wall 80 lbs 60 lbs
275# Double Wall 100 lbs 80 lbs
350# Double Wall 120 lbs 100 lbs
500# Double Wall 160 lbs 140 lbs
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