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Unread 09-29-2020, 09:30 PM   #1
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Join Date: Jul 2005
Location: Massachusetts
Posts: 950
Help with understanding shear values

Not tile related but it piqued my curiosity.

The TDS for PL Premium lists values for “compression shear strength”. I thought compression and shear forces were perpendicular to each other. Can anyone here clarify?

And the back of a box of screws lists shear strength in “lbf”, whereas PL Premium lists their values in PSI. Can an apples-to-apples comparison be done between the two values? If so, how?
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