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Double-Wall Heavy Duty Cardboard Shipping Boxes
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With two walls for more support, these are the strongest cardboard boxes. They meet ECT 51 (51 lbs. per inch), which is comparable to a 275-lb. burst strength. Edge Crush Test (ECT) standards measure the amount of force a carton can withstand before the edges collapse. Shipped flat.
For box sealing tape and sealing tape dispensers, see Shipping Tape and Tape Dispensers.
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Lg. | Wd. | Ht. | Thk. | Color | Material | Construction | Max. Burst Strength, lb. | Corrugated Box Strength Rating | Pkg. Qty. | Pkg. | |||
| 12" | 12" | 12" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T11 | 000000 | ||
| 14" | 14" | 14" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T12 | 00000 | ||
| 16" | 16" | 16" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T13 | 00000 | ||
| 18" | 18" | 18" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T14 | 00000 | ||
| 20" | 20" | 20" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T15 | 00000 | ||
| 24" | 24" | 24" | 0.3125" | Brown | Cardboard | Corrugated | 275 | 51 ECT | 5 | 20855T16 | 000000 | ||
UN-Compliant Cardboard Shipping Boxes
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Safely ship hazardous material. These boxes are tested to comply with United Nations regulations for packaging and shipping hazardous material over land, sea, or air. These regulations aim to prevent hazardous spills caused by accidents or rough package handling.
All boxes meet an Edge Crush Test (ECT) standard or have a maximum burst strength rating, both of which indicate a box’s strength. ECT standards measure the amount of force a box can withstand before the edges collapse.
Note: It is the responsibility of the shipper to follow regulatory guidelines for properly packaging and labeling all hazardous materials and ensure the appropriate method for shipping.
51 ECT—ECT 51 is comparable to a 350 lb. burst strength. Boxes that meet this standard have two walls.
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Lg. | Wd. | Ht. | Thk. | Color | Material | Construction | Liner Material | Max. Burst Strength | Corrugated Box Strength Rating | Shipping Std. | Each | |||
| 17" | 13 1/4" | 13 1/2" | 0.266" | Brown | Cardboard | Corrugated | Polyethylene | Not Rated | 51 ECT | UN4G/Y31/S | 5249N51 | 000000 | ||
Large-Capacity Cardboard Shipping Boxes
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Lids | Perforated Flap (Pallet Not Included) |
Consolidate multiple boxes and materials in one place for easy storing, shipping, or disposal. These boxes are roughly the size of a standard pallet. Unlike standard cardboard boxes, they close with a lid instead of flaps.
Maximum burst strength measures the amount of force a box can withstand before the sides rupture. Edge Crush Test (ECT) standards measure the amount of force a container can withstand before the edges collapse.
Shipping Boxes with Perforated Flap—Containers with a perforated flap have one side that can be partially folded down to make loading and unloading more ergonomic.
