Compare particle-size and surface-area families first, then confirm resin compatibility, viscosity, packing, and directional heat flow in the final formulation.
等級
Grade role
D50 (µm)
BET (m²/g)
BN (%)
Primary selection fit
kBN-C30
Coarse platelet
30.4
1.1
99.1
High-fill gap filler, pad precursor and thermoplastic loading trials.
kBN-C18
Coarse/fine platelet
18.2
2.1
99.2
General TIM, thermal pad, potting and EMC filler blend trials.
kBN-M10
Medium platelet
10.2
3.2
99.1
First-choice starter grade for broad TIM and EMC screening.
kBN-M7
Medium/fine platelet
7.1
6.1
99.2
Thermal coatings, smooth potting compounds and medium-viscosity adhesive systems.
kBN-F5
Fine platelet
5.1
8.8
99.0
Cosmetic soft-focus and fine lubricant/release coating trials; conditional blend use only for TIM/EMC.
kBN-F2
Fine 2 µm platelet
2.0
15.2
99.0
Specialty fine coating and interface R&D; not a standard TIM or EMC filler grade.
kBN-UF
Ultra-fine submicron platelet
<1.0
>30
>99.0
Submicron and nano-oriented formulation trials requiring D50 below 1 µm.
Powder Chemistry and Density
Use chemistry and packing values to compare powder handling and loading behavior. kBN-UF is the submicron option for programs that require D50 below 1.0 µm.