Hexagonal Boron Nitride (h-BN) Powder, ≥99% Purity, 1~2 um

Product Number: PO6001 (250g); PO6002 (500g); PO6003 (1kg)
CAS Number: 10043-11-5
Formula: BN
Crystal Structure: Hexagonal
Molecular Weight: 24.82 g/mol
Density: 2.29 g/cm³ at 25°C
Particle Size (D50): 1~2 um
Color: White
Purity: ≥99%

Applications

Hexagonal Boron Nitride (h-BN) is the most stable crystalline form of boron nitride which has a layered structure similar to graphite. Hexagonal Boron Nitride has wide bandgap, low dielectric constant, high thermal conductivity, and chemical inertness. h-BN powder is widely used for insulating and thermally conductive fillers, deep ultraviolet light sources, dielectric layers, cosmetic products, microwave-transparent shields, durable high-temperature crucibles, anti-oxidation lubricants and protective coatings.

Typical Compositions of h-BN Powder

Item	wt%
h-BN	99.0 minimum
B₂O₃	0.22
B	0.22
Na₂O	0.04
Fe₂O₃	0.0097
CaO	0.04
MgO	0.14
K₂O	<0.001
NiO₂	<0.001
Al₂O₃	0.016
MnO₂	<0.001
CuO	<0.001
TiO₂	0.003
Pb	<0.001

References

1. Functionalized hexagonal boron nitride nanomaterials: emerging properties and applications, Chem. Soc. Rev., 2016, 45, 3989-4012

2. Photonics with hexagonal boron nitride, Nature Reviews Materials, 4, 552–567(2019)