ADAEE | B4C Boron Carbide 800 Grit Black Whetstone 200X75X29Mm 1kg Large Water Stone Knife Sharpener for Kitchen Knives

B4c boron carbide — black diamond whetstoneBoron carbide (b₄c) is a superhard ceramic material with a mohs hardness of 9~10, which is second only to diamond and cbn, so it is called "black diamond".compared with ordinary silicon carbide (gc) and white alumina (wa) grinding wheels, the wear rate is significantly lower, maintaining long-term flatness, and it also has excellent cutting performance for polishing high-hardness steel materials above hrc 60.The itemThe contentThe materialBoron carbide (b₄c, boron carbide)Mouth size800 grit (#800) — medium finishing polishingSize of200 x 75 x 29 mmWeight ofAbout 1kg (weight-bearing and stable polishing)The colorBlackUse forKitchen knife · japanese knife · chinese knife · camping knife · tool · scissors800 square use positionThe stepMouth sizeUse for① coarse polishingBelow 400 gritRepair / restore / remove the blade chip② intermediate finish800 grit ← this productRemove burrs / uniform sharpening / daily maintenance③ precision polishing1000~3000 gritFine polishing / mirror surface treatment④ polishingMore than 5000 gritsFinal polish / razor sharpnessWhy choose b4cSuper hard —diamond next fine hardness, whetstone life more than 3 timesHigh speed polishing — excellent cutting ability on hard steel, such as vg10, d2, 440c etc.Wear resistance —maintain surface flatness after long-term use, greatly extending the facing (cotton picking) cycleChemical stability — water/oil all lubricant compatible, no corrosion and oxidationCost performance — 1/5 to 1/10 the price of diamond honesUsagePlease moisten with water before use (no need for water stone, no need for oil)Maintain a blade angle of 15-20°, reciprocate polishing with uniform pressureThe slurry formed on the surface helps to naturally polishClean after use and air dryPackage consistBoron carbide 800 grit grinding stone body × 1With anti-slip silicone ringAdaee original box package🔖 mobile summaryB4c super hard 800 grit | 200mm large water whetstone | high hardness steel compatible | kitchen, camping & tools all in one | genuine adaee