Casting PP PSI

[Linarestribe]

Ok, I've seen all different PSI's for pressure casting worthless wood and that Alum. is better than PR. Is 50 psi enough for either or do each require different psi?

Are there more failures with PR?

Thanks
Jorge

 

[Dorno]

Should be heaps as I have used far less to do the job.

Cheers. Ian