This.
This is why the 30K hones cost so much more than the 15/16K hones from the same series...it's really really hard to guarantee any kind of uniformity at that size, and at that size uniformity is really really important.
Printable View
there in lies the quest.............
and as we all know its all about the quest.... *(which is why we hone our razors constantly trying to find that magic combo)......
Spaceage ceramic is manufactured by pressing alumina oxide at 15,000#PSI and scinted at 3,000F. Ceramic products can withstand temperatures of 3,000F, have a compression of 300,000#PSI and a hardness of 9.5
My dad gave me the idea of using his 10 ton jack and one of our old broken down dump trucks to apply the pressure. And I plan on making a forge for knife making in the near future. Might as well make a small kiln to use the same,