CBN-A80 – High-Strength Multi-Bond CBN Grit

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Product Overview

CBN-A80 is a high-strength monocrystalline CBN grit developed for demanding grinding applications requiring both grain durability and active cutting edges. Its brown-black, irregular morphology combines strong crystal integrity with pronounced angular cutting points, providing efficient material removal while maintaining useful grain life in resin, vitrified and metal-bond systems.

Features

High Crystal Strength: Provides good resistance to premature grain breakdown under demanding loads.
Irregular Angular Morphology: Maintains pronounced cutting points for efficient material removal.
Balanced Strength and Sharpness: Combines durable grains with active cutting behavior.
Multi-Bond Compatibility: Suitable for resin, vitrified and metal-bond CBN grinding systems.

Specifications

Abrasive Type	Monocrystalline Cubic Boron Nitride
Product Series	Mesh CBN Grit
Grade	CBN-A80
Color Family	Brown-Black / Dark Amber
Grade Direction	High-Strength / Multi-Bond Grade
Crystal Morphology	Irregular and angular monocrystalline particles
Relative Strength	High
Friability	Controlled
Selection Focus	High grain strength, sharpness and sustained cutting efficiency
Typical Bond Systems	Resin / Vitrified / Metal Bond

Comparison Table of Monocrystalline CBN Grit Size

US Mesh Size	GB/T 6406-2016 / ISO 6106	FEPA CBN Designation	Nominal Size Range (μm)
70/80	213	B213	212–180
80/100	181	B181	180–150
100/120	151	B151	150–125
120/140	126	B126	125–106
140/170	107	B107	106–90
170/200	91	B91	90–75
200/230	76	B76	75–63
230/270	64	B64	63–53
270/325	54	B54	53–45
325/400	46	B46	45–38
400/500	39	B39	38–32
500/600	33	B33	32–26

Particle size designations are provided according to commonly used superabrasive grit standards. Product-specific size availability should be confirmed according to the selected CBN grade.