Boron Nitride Composite Ceramics

It does not react with molten metal at high temperature, does not wet, and does not stain. It is widely used in various molten metal contact applications.

Model:
E/L/S
Brand:
FOTMA
Model: E/L/S

Quantity:



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Product Description

Boron Nitride Composite Ceramics

Product main performance parameters

Grade	PENSC-E		PENSC-L		PENSC-S
Main ingredients		BN+ZrO2+SiC		BN+ALN		BN+Si3N4
Density	g/cm3	2.3	g/cm3	2.85	g/cm3	2.7
Hardness	HL	600	HL	650	HL	650
Flexural Strength	Mpa	150	Mpa	250	Mpa	300
（25℃-1200℃） Coefficient of thermal expansion	（10^-6/K)	2-3	（10^-6/K)	4-6	（10^-6/K)	2-3
Thermal conductivity at 20℃	W/mk	15	W/mk	70	W/mk	45
MAX-Temperature of use	Oxidizing	900℃	Oxidizing	1950℃	Oxidizing	1700℃
	Vacuum	1500℃	Vacuum		Vacuum
	Inert	1700℃	Inert		Inert
RT Resistivity	Ω.cm	＞10^12	Ω.cm	＞10^14	Ω.cm	＞10^14

Product features and advantages:
Unique process formula, optimized composition structure, the material has excellent thermal shock resistance, corrosion resistance, creep resistance and other properties.
Using the international advanced vacuum hot pressing sintering method, the material has a fine structure, high density and superior physical properties.
It does not react with molten metal at high temperature, does not wet, and does not stain. It is widely used in various molten metal contact applications.

Typical application:
Boron nitride horizontal continuous casting separation ring
Boron nitride thin strip continuous casting side sealing plate
Amorphous and nanocrystalline nozzles with boron nitride
Special metal powder nozzle and draft tube