Japanese Natural Whetstone Asano Mikawa Nagura Ban from Aichi Pref.
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As well known, this is Asano Nagura Ban The layer from which Ban comes is stronger cutting and of slightly coarser particles than Botan and yet very consistent in cut quality.Stronger than Botan , good for small knives, chisels. For razor, please treat it as bevel setting. For Kitchen knives, bevel work and initial sharpening refinement and also rubbed directly against the blade to remove rust from carbon steel.
-Dimension & Weight
*13-16mm x 119mm x 25mm / 88g
-Hardness: 3.0-3.5 Medium Soft / below 3000
- Excellent stone for razors, knives, chisel, carpentry tools
**How to use Mikawa Nagura as a whetstone for direct sharpening
The abrasive material contained in Nagura is quartz like the Kyoto Jnat finisher, and the reason why Nagura is white is that most of it is made of quartz powder. You can see the performance as a whetstone for direct sharpening and the high abrasive power. Nowadays, there are few products that have the size of a whetstone for direct sharpening, and it is rare to get them. Many of the natural whetstones produced in Kyoto are superior in terms of fineness of particles.
**How to get the slurry in Nagura
When using it for finishing a hard natural whetstone, water the natural finishing whetstone and rub Nagura on the surface of the whetstone to get the slurryof Nagura containing the abrasive. If you sharpen with this slurry, you can quickly get a good blade.
- Also good to use as Tomo Nagura for eliminating the clogging of whetstone, creating slurry will definitely speed up your sharpening process.











