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POUND (#) TEST VS ECT (EDGE CRUSH TEST):
Compared to their closest ECT equivalent, # test boxes have:
* Overall stronger/thicker box.
* Greater stacking strength.
* Up to 50% more side wall bursting strength.
Pound test refers to bursting strength:
* True & more consistent paper/box weight.
* Much greater side wall strength.
* Longer/stronger fibers due to more virgin pulp content.
ECT refers to stacking strength:
* Overall lighter box.
* Shorter/weaker fibers due to more recycled content.
* Tendency to show fluting through the liner.
Closest equivalents:
* 32 ECT - 200# test
* 42 ECT - 200# test DW
* 44 ECT - 275# test
* 48 ECT - 275# test DW
* 51 ECT - 350# test DW
* 82 ECT - 600# test DW
BOX STRENGTH GUIDELINES: (Maximum weight per box)
FIBER BOX UPS
HANDBOOK GUIDELINES
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
GENERAL BOX SPECIFICATIONS AND REGULATIONS:
* All boxes open along the length (first dimension).
* Seams are glued.
* Recycled material:
Liner: 42lb paper, 20-30% recycled material
C flute medium 26 lb paper, 100% recycled material
FLUTE:
* Definition: Wave shapes pressed into the middle of the
corrugated wall of the box. Most of Uline boxes are
C-flute.
* Approximate thickness:
A flute 3/16"
C flute 9/64"
B flute 3/32"
E flute 3/64"
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Availability:
In Stock
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Unit Weight:
1.88 lbs.
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MSDS Sheet
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Catalog Page 19
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ASTM D5118
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