Boron Nitride Composite Ceramics BN-E/S grades

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Grade	BN-E		BN-S
Main Ingredients		BN+ZrO2+Si		BN+Si3N4
Density	g/cm³	>2.3	g/cm³	>2.7
Hardness	HL	600	HL	650
Flexural Strength	Mpa	150	Mpa	300
Coefficient of Thermal Expansion	(10^-6/K)	2~3	(10^-6/K)	2~3
Thermal Conductivity at 20°C	W/mk	15	W/mk	45
MAX-Temperature of use	Oxidizing	900°C	Oxidizing	1700°C
	Vacuum	1800°C	Vacuum
	Inert	1700°C	Inert
RT Resistivity	Ω.cm	>10¹²	Ω.cm	>10¹⁴

These Boron Nitride composite ceramics have good resistance to creep, corrosion and thermal shock. They are suitable for almost all molten metals in high temperature.

Typical Applications

Boron nitride continuous casting break rings
Boron nitride side dams for thin-strip casting
Boron nitride nozzles for amorphous and nanocrystalline
Nozzles for powder metal atomization

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