Boron Nitride Powder
Manufactured in Japan by DENKA (DENKI KAGAKU KOGYO K.K.)
Thermally and chemically stable and has high thermal conductivity, is highly insulative and has solid lubricity. Therefore, it is widely used for a lot of industrial applications. Available in fine to coarse grades..
Table. Main Powder Characteristics
| Items/Grade |
SP-2 |
HGP |
GP |
SGP |
| BN (%) |
97 |
99 |
99 |
99 |
| B2O3 (%) |
0.2 |
0.1 |
0.1 |
0.1 |
| T-O * (%) |
1.8 |
1.1 |
0.8 |
0.3 |
| C (%) |
0.1 |
0.1 |
0.1 |
<0.1 |
| Average Particle Size 1 ** (µm) |
4 |
5 |
7 |
18 |
| Average Particle Size 2 *** (µm) |
0.8 |
1.5 |
2.7 |
4.3 |
| Specific Surface Area **** (m2/g) |
34 |
11 |
9 |
2 |
| Tapped Density (g/cm3) |
0.4 |
0.4 |
0.5 |
0.8 |
| Fe (ppm) |
10 |
9 |
10 |
30 |
| Cr (ppm) |
<3 |
3 |
4 |
10 |
| Ni (ppm) |
<2 |
<2 |
<2 |
5 |
| Cu (ppm) |
<3 |
<3 |
<3 |
<3 |
| Mn (ppm) |
<4 |
<4 |
<4 |
<4 |
| Specific Gravity |
2.26 |
| Thermal Stability |
Sublimates at about 3,000°C |
| External Appearance |
White to Pale Yellow powder |
Values in the table are representative values and not standard values.
* T-O: Total oxygen content
** Average Particle Size 1: by LASER diffraction scattering method (MicroTrak)
*** Average Particle Size 2: by Centrifugal Sedimentation Light Transmission Method (MPS)
**** Specific Surface Area: by B.E.T. method
 |
Grade: GP
High crystalinity, high purity and scale-like.
It is used mainly for:
- solid lubricant
- additives for a variety of applications
- underlaying powder for sintering
|
 |
Grade: SGP
High crystalinity, high purity and coarse.
It is used mainly for:
- high thermally conductive filler
- solid lubricant
|
 |
Grade: HGP
High crystalinity and fine.
It is used mainly for:
- mold-releasing agent
- solid lubricant
|
 |
Grade: SP-2
Low crystalinity and fine.
It is used mainly for:
- reformation additives for refractory applications
- releasing additives
|
| 
