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RE: Material for new frame:: MDF

Posted by pictureguy on November 3, 2021 at 15:15:13:
Don't forget there are several different GRADES of MDF.

Some will go over 50lb per cubic foot...while water is over 60lb per cubic foot.

The MDF I used for my desktop just BARELY floats so I'll claim the weight as nearly 60lb per cubic foot.

I know the 4x8 @1" sheet of this stuff was VERY heavy. A test piece floated level with water so had just slightly less density.....

It is also tough enough that you can NOT even dent the edge with a firm fingernail... It appears to have been made from sawdust NOT chips.....Extremely fine grained and dense. and HARD....