BN導熱填料
簡介
氮化硼(Boron Nitride):六角平面氮化硼 俗稱白石墨
- 優良的熱傳導率: 400 W/m*k
- 良好的絕緣性: 阻抗 >1015 Ohm*cm
- 反射率 > 95% UV IR 波長
- 乾式潤滑:無吸附(Mohs ‹ 2)、良好的加工性
- 低比重(1.2~1.6 g/cm3):填充後比重變化小
應用
- 塑膠LED燈座
- 熱介面材(導熱貼片、導熱膠)
- 鋰電池、汽車塑膠套件的散熱材
- 塑膠散熱鰭片
氮化硼(Boron Nitride):六角平面氮化硼 俗稱白石墨
3M™ Boron Nitride Cooling Fillers | Aluminum Oxide (Al2O3) | |
Raw Materials |
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Processing |
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Final Article |
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Property | 3M™ Boron Nitride Cooling Filler Platelets | 3M™ Boron Nitride Cooling Filler Flakes* | 3M™ Boron Nitride Cooling Filler Agglomerates* |
Form | Highly crystalline BN single platelets | Hybrid flake agglomerate of crystalline BN platelets | Bulk agglomerate of crystalline BN platelets |
Aspect Ratio | Up to 30 | 1-2 | |
Particle Size (mean) | 1-15µm | 50-400µm | 20-400µm |
Bulk Density (Scott) | 0.05-0.55 g/cm3 | 0.6-0.8 g/cm3 | 0.25-0.5 g/cm3 |
Mohs hardness | <2 | ||
Electrical Resistance | >1015 Ohm*cm | ||
Dielectric Constant | 3.9 | ||
Thermal Conductivity | 400 W/m*k (in-plane) | ||
Applications | Thermoplastic polymers | Thermoplastic polymers, thermosets, resins | Thermal interfaces (foils, pads, adhesives) |