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Choseras vs Superstonese

Tue Jun 26, 2012 9:34 pm

Hi!

Thank you a lot for the help you have been giving to me. I have
a question. Which are the differences between naniwa choosera
and naniwa super stones? Advantages and disadvantages? Can I
sharpen VG-10 with super stones?

Re: Choseras vs Superstonese

Tue Jun 26, 2012 9:36 pm

Hi Diogo,

The Naniwa Superstones are softer and they will work well on
vg10 knives. The Choseras are bigger, they're harder and the last
longer but they're more money. Also the superstones are splash
and go stones that don't need any soaking. The choseras need about
a 10 minute soak.

Re: Choseras vs Superstonese

Tue Jun 26, 2012 9:37 pm

Are superstones good? Or are choosera a lot better?

Is there any advantage of soaking superstones for 10 min. or the performance is
the same with a splash?

Re: Choseras vs Superstonese

Tue Jun 26, 2012 9:42 pm

Choseras are better in my opinion.

It's not recommended to soak the superstones.

Re: Choseras vs Superstonese

Wed Jun 27, 2012 4:34 am

When you're dealing with VG-10, expect much better results with Choseras, in my humble experience. I guess it is about abrading the large carbides where soft stones might fail. Am I in error?

Re: Choseras vs Superstonese

Wed Jun 27, 2012 7:24 am

The superstones are a LOT slower imo. And their softness can become a painful issue when you cut a piece of the stone off.

Re: Choseras vs Superstonese

Wed Jun 27, 2012 7:28 am

The make up of the stones is very different.
The Choseras have way more abrasives in them & the matrix is very different from the superstones.
I'm personalyl not a big fan of the superstones, but they do have one great thing going fopr them.
Them polish like there is no tomorrow. The shine of a 5K is almost pure mirror & at 8K you outbeat the shine of anything.
Also their softness makes them kind of forgiving.

However, with their relatively slow speed & tendency to clog/glaze, I wouldn't recommend them for high alloy steels.
VG-10 however isn't that hard to grind & you should do fine with them superstones.

Bottom line is, for me even if it's the same manufacturer the supers & the choseras are entirely different beast, the difference is way bigger then for example the difference between Shapton Pro & Glass.

Re: Choseras vs Superstonese

Wed Jun 27, 2012 9:39 am

Jens is right about the polish. Bright mirror at 5k and 8-12k is mercury

Re: Choseras vs Superstonese

Wed Jun 27, 2012 3:05 pm

It's really remarkable how different these are from one another.

Superstones:
Soft
Good Polish
Splash and Go
Loads easily

Chosera
Harder
Cuts Well
Slow Loading
Needs a short soak
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