Cubic boron nitride
Our CBN powder, meticulously produced in our labs at SPR Abrasives, stands at the forefront of superabrasive materials. Known for its exceptional hardness and thermal conductivity, our CBN powder is engineered to meet the demanding needs of industries requiring high-performance abrasives. This superior product offers unparalleled precision and durability, ensuring optimal efficiency in a variety of applications, from cutting and grinding to polishing hard materials.
The unrivaled quality of our cubic boron nitride powder
The unmatched stability of our CBN powder reflects our commitment as an innovative abrasives manufacturer to delivering products of exceptional quality. Incorporating CBN abrasives into your operations means benefiting from a material almost as hard as diamond but with superior thermal and chemical stability, making it ideal for high-temperature applications. Our product line includes both monocrystalline and polycrystalline CBN, catering to a wide range of specific requirements. As leaders in the field, SPR Abrasives ensures that every particle of our superabrasive powders is crafted to provide the highest level of performance and consistency.
Explore the possibilities of our CBN powder
We invite you to contact SPR Abrasives to discuss the full potential of CBN powder and other industrial diamond products for your applications. Our specialized services are designed to meet the unique needs of each client, ensuring that you receive not only a product but a comprehensive solution that enhances your operational efficiency. Engage with our team of experts to explore how our commitment to innovation and quality can support your business goals, making us your trusted partner in superabrasive technology.
Uncoated
SBN-B05
Bond
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Black
Shape
Angular
SBN-B05 is a general-purpose black CBN with remarkable strength and high thermal stability. Its angular morphology offers reduced power usage and heat generation while enhancing grinding efficiency. This CBN grain standardized product works seamlessly with vitreous bond grinding wheel systems, providing superior value and performance.
SBN-B10
Bond
- Single Layer Electroplated
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Black
Shape
Irregular
The SBN-B10 monocrystal is widely applied in vitreous bond grinding wheel systems. Its fracture strength and breakdown characteristics vastly improve surface finish, dressing interval and wheel life. The B10’s unique semi-blocky morphology delivers free cutting characteristics to enhance wheel life and surface finish.
SBN-B20
Bond
- Single Layer Electroplated
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Black
Shape
Blocky
SPR’s B20 features black color, medium strength, blocky morphology and high thermal stability giving it optimal performance in vitreous bond applications. SBN-B20 provides increased performance and grinding efficiency in various production grinding applications, including the automotive and aerospace industries.
SBN-DB80
Bond
- Single Layer Electroplated
- Metal
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Brown
Shape
Angular
SBN-DB80 is a high-strength abrasive with exceptional thermal stability and an angular structure, making it ideal for grinding applications such as automotive cam and crankshafts, as well as tools and dies. SBN-DB80 has slightly less fracture strength than SBN-DB80, making it well-suited for various applications, including ID/OD grinding.
SBN-A30
Bond
- Single Layer Electroplated
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Amber
Shape
Angular
SBN-A30 offers a cost-effective solution for electroplated and vitrified tools with controlled free-cutting characteristics and consistent fracture mode. Their irregularly semi-blocky shaped particles make for an enhanced wheel life and surface finish. Improve your tool’s performance with SBN-A30.
SBN-G50
Bond
- Single Layer Electroplated
- Metal
- Vitrified
- Resin
Size
50/60 - 400/500
Color
Brown
Shape
Angular
SBN-G50 is a high-strength abrasive with exceptional thermal stability and an angular structure, making it ideal for grinding applications such as automotive cam and crankshafts, as well as tools and dies. SBN-G50 has slightly less fracture strength than SBN-G70, making it well-suited for various applications, including ID/OD grinding.
SBN-G70
Bond
- Single Layer Electroplated
- Metal
- Resin
Size
50/60 - 400/500
Color
Golden
Shape
Blocky
SBN-G70 crystals are the perfect choice for electroplated tools, providing top-grade performance. These crystals excel in cutting through hardened tool steels, carbon and alloy steels, as well as nickel- and cobalt-based superalloys with their high fracture strength, micro-fracturing characteristics, and very high thermal stability.
SBN-DG90
Bond
- Vacuum braze
- Metal
- Resin
Size
20/30 - 325/400
Color
Dark Grey
Shape
Angular
SBN-DG90, with its high fracture strength and consistent, angular particles is a top-performing product for metal and vacuum braze bond systems in grinding and honing operations. SBN-DG90 provides excellent removal rates and surface finish making it perfect for a variety of demanding honing applications that require a top-performing product.