http://www.ebay.com/itm/Alumina-Cer...793?pt=LH_DefaultDomain_0&hash=item2a1c9a2df9
Looking at the enlarged view the holes appear to be fairly ragged around the edges, so I'm guessing it's going to be reasonably porous.
any thoughts?
Looking at the enlarged view the holes appear to be fairly ragged around the edges, so I'm guessing it's going to be reasonably porous.
any thoughts?