There is no standard as far as I know. Just about everybody develops their own formula. I use a varying recipe depending on what the pc is for. You'll see anywhere from 10% cement to paper (by weight) on up to 200% cement to paper, with various adjuncts like perlite, mica, fly ash, clay, sand, etc.
Not much testing has been done other than seat-of-the-pants tests on various projects. The University of New Mexico did some compression tests on bricks a couple of decades ago. You'll find a link in the files of the group. Several years ago there was a group organized to do all the formalities to get pc into the standard building codes but the group fell apart because of personality conflicts and the project died on the vine.
If you do testing or run across any documentation, please share with the group!
I am intetested to papercrete matetial. Can everyone give me standard of papercrete mix design and standard test of papercrete based panel or structure?
Thankyou very much.
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