SBN™ (Super Abrasive)

SBN™ (Super Abrasive) Overview

Showa Denko K.K. has been continuing its efforts develop cubic boron nitride abrasives (SBN™) provided with unique properties not known before to meet the need for various applications since its success of commercial synthesis of cubic boron nitride abrasives for the first time in Japan in 1978.

Reflecting the acceleration of the technical innovation, materials to be processed are getting more and more advanced, diversified and of high precision. To meet such sophisticated requirements, Showa Denko K.K. will continue to make ceaseless effort for our product developments.

This cubic boron nitride abrasive grain (SBN™) has a hardness that is close to diamonds, is corrosion resistant, and because it does not react chemically to iron, is used mainly in the grinding/polishing of steel. SBN™ is available in different types for different applications.

Overview Grades & Application Enquiry

Grades & Application

We provides various types of crystal strength and shape.
Also the option of Regular and Coated cBN, as listed below.

Alias: Cbn, Cubic Boron Nitride
Packaging Unit: Bottle

Kindly select on one of the following links below to start your download.

Download PDF – Catalog

Regular cBN

Grade	Color	Application
New BN-B3	Black	High toughness and sharp edges Fewer impurities and better fracture resistance than BN-B Material for Vitrified bonded grinding wheel, electroplated wheel Suitable for grinding of Camshaft, bearing, etc.
New BN-A	Amber	High toughness and sharp edges Fewer impurities and better fracture resistance than BN-V Material for Vitrified bonded grinding wheel, electroplated wheel Suitable for low power grinding of Camshaft, crankshaft, bearing, etc.
BN-B	Black	Medium toughness and moderately sharp edges Material for Vitrified bonded grinding wheel Suitable for grinding of Camshaft, bearing, etc.
BN-V	Amber	Medium toughness and sharp edges Material for Vitrified bonded grinding wheel Suitable for low power grinding of Camshaft, crankshaft, gear, etc.
BN-F	Black	Friable particle excellent in truing and dressing Material for vitrified bonded grinding wheel for super finishing and raw material of PCBN
BN-T	Amber	High toughness and blocky shape Stable cutting edges for precision grinding Material for Vitrified bonded wheel and metal bonded wheel Suitable for grinding of gear, etc
BN-M	Amber	High toughness and moderately sharp edges Material for electroplated wheel and metal bonded wheel

Coated cBN

Grade	Coating	Application
BN-KN	Ni-Coating (60%) Black amber	BN-B with spiky coating Unique coating enhances abrasive retention For resinoid wheel
New BN-B3N	Ni-Coating (60%) Black amber	BN-B3 with spiky coating Better fracture resistance than BN-KN For resinoid wheel
New BN-AN	Ni-Coating (60%) Black amber	BN-A with spiky coating Better sharpness than BN-KN For resinoid wheel

** size: 60/80 ~ 325/400

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SBN™ (Super Abrasive)

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