Other BN Materials

Other BN Materials encompasses forms of boron nitride that do not conform to traditional Hot-Pressed (HPBN) or Pyrolytic (PBN) classifications. This includes high-purity BN powders and cubic boron nitride (cBN) abrasive grains, both recognised for their hardness, thermal stability, and chemical resistance. These materials find application in advanced ceramics, thermal management, and precision grinding practices.

What Are Other BN Materials?

Other BN Materials refer to boron nitride products beyond Hot-Pressed (HPBN) and Pyrolytic (PBN) forms. This category includes high-purity BN powders and cubic boron nitride (cBN) grains, both engineered for specialised industrial applications.

Physical & Mechanical Properties

Property	BN Powder	cBN Grains
Density	~2.2 g/cm³	~3.48 g/cm³
Crystal Structure	Hexagonal/Amorphous	Cubic
Hardness (Vickers)	~100–200 kg/mm²	~4500 kg/mm²
Max Working Temp	~1000°C (BN)	~1400–1500°C
Thermal Conductivity	~30–60 W/m·K	400–1000 W/m·K
Electrical Resistivity	>10¹⁴ Ω·cm	>10¹⁶ Ω·cm

Product Offerings

BN Powder

Submicron to ~10 μm
Ideal for thermal insulation, ceramics, lubricants, and coatings

cBN Grains

High-strength abrasive grains
Custom sizes for grinding, cutting, and polishing
Effective for hardened steel and superalloys

Industrial Applications

Thermal Management: TIM fillers, heat spreaders, electronic substrates
Advanced Ceramics: Insulating parts, crucibles, mould release agents
Precision Grinding (cBN): Aerospace-grade tools, hardened metal machining
Coatings & Additives: Paints, resins, cosmetics, high-temperature polymers
High-Wear Components (cBN): Inserts, nozzles, seals

Frequently Asked Questions

Q: How is cBN different from BN powder?
A: cBN has a cubic crystal structure and extreme hardness. BN powder is softer and typically hexagonal.

Q: Can BN powder handle high temperatures?
A: Yes, stable up to ~1000°C. cBN is stable beyond 1400°C.

Q: What purity levels are available?
A: BN powder >99%. cBN grains vary by application grade.

Q: Is cBN suitable for ferrous metals?
A: Yes. Unlike diamond, cBN is chemically stable with iron and steel.

Your Trusted BN Supplier

At Stanford Advanced Materials, we offer high-performance BN powders and cBN abrasives tailored for industrial, thermal, and machining applications. Contact us for specifications, bulk pricing, or custom grades.

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Other BN Materials

What Are Other BN Materials?

Physical & Mechanical Properties

Product Offerings

Industrial Applications

Frequently Asked Questions

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