Machinable Ceramics

BNP-2 Machinable Aluminium Nitride

Technical Information

Best described as a Machinable Aluminium Nitride BNP-2 compares favourably with other manufacturers versions of like materials and the only noticeable difference is a slight colour variation may be evident across BNP-2.

BNP2

Physical Properties (Typical Data)

Property	Test Conditions	BNP-2	Units
GENERAL Density Porosity	Corrected to 4°C 25°C	2.90 < 0.1	g/cm³ %
ELECTRICAL Volume Resistivity Dielectric Constant (ε) Dielectric Strength	25°C, DC 25°C 1MHz 25°C, sample thickness 1mm, AC	1.0x10¹² 7.1 40	Ωcm kV/mm
THERMAL Thermal Conductivity Maximum Use Temp Thermal Stock Resistance ∆T Thermal Expansion	25°C In Air In non oxidizing atmosphere Water Quench 400-600°C	92.6 1020 1900 400 4.5x10^-6	W/m•K °C °C °C
MECHANICAL Bending Strength Compressive Strength	25°C 25°C	300 <1070	MPa MPa

PURITY

Ca 450ppm
Cr 60ppm
Mg <20ppm
Ni <10ppm
Fe <50ppm
Si <15ppm
O 0.8%

Machinable Ceramics

BNP-2 Machinable Aluminium Nitride

Technical Information

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Machinable Ceramics