Box Strength Guildelines: Fiber Box Handbook vs UPS Guidelines

10 Nov Box Strength Guildelines: Fiber Box Handbook vs UPS Guidelines

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

 

Most common question – 200# Mullen VS 32 ECT (Edge Crush Test):

200# Mullen approximately 40% stronger in bursting strength.  If box weighs appeoximately 40 lbs., then UPS recommends 200# Mullen board.  For boxes weighing approximately 30 lbs., UPS recommends 32 ECT.

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