In an earlier contribution to this discussion,
Edwin Pawlowski wrote:

"Set Square" wrote in message
Hardboard has a hard smooth side and a soft corrugated side, and is
not very
strong overall. MDF is much more homogeneous, stronger, less
compressible, and looks the same both sides.

You have to define stronger. There are differences in flexural,
compressive and shear strength. IMO, hardboard has better flex
qualities.

Agreed. I was thinking more of tensile and shear strength. It's easy to fold
and break hardboard over a hard edge - MDF puts up more of a fight.
--
Cheers,
Set Square
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