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PBN Crucibles for Precision Application

Pyrolytic Boron Nitride Crucible can withstand high temperatures in a high vacuum environment. It has excellent thermal conductivity, corrosion resistance, and electrical resistance.

AC6129 Cordierite Refractory Brick

Catalog No. AC6129
Material Al2O3, SiO2, MgO
Bulk Density 1.8-2.0 g/cm3
Apparent Porosity 25-33%
Max Working Temp. 1250-1350 ℃

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AC6129 Cordierite Refractory Brick

Cordierite Refractory Brick Overview

Cordierite Refractory Brick is a high-performance refractory material primarily composed of cordierite, a magnesium aluminum silicate mineral. Renowned for its low thermal expansion, high thermal shock resistance, and excellent insulating properties, these bricks are specifically designed for environments where high resistance to thermal cycling—rapid heating and cooling—is essential.

Cordierite Refractory Brick Specifications

Item		Materials for ceramic kiln furniture
Item		LUA	LEN	FON	FAC	ROY	LUK	COB
Material		Cordierite-Mullite
Chemical Composition	Al2O3 %	40	41	36	39	41	43	46
	SiO2 %	49	48	52	49	47	46	44
	MgO %	6.5	7.0	7.0	8.0	7.0	7.0	6.0
Bulk density g/cm3		1.95	1.90	1.85	1.82	1.95	1.82	2.00
Apparent porosity %		26	28	28	29	26	33	25
Expansion (20℃-1000℃/10^-6K^-1)		2.3	2.3	2.6	2.2	2.2	2.5	3.1
Max Working Temperature		1300	1250	1300	1320	1280	1280	1350

Cordierite Refractory Brick Applications

Kilns and Furnaces: Ideal for use in ceramic kilns and industrial furnaces due to their excellent resistance to thermal shock.
Ovens: Perfect for pizza and baking ovens, providing consistent and even heating.
Catalyst Support: Serves as a support material in automotive catalytic converters and industrial reactors.
Thermal Insulation: Used in glassmaking and metal processing furnaces to enhance insulation.
Heater Panels: Utilized in electric and infrared heaters for their high-temperature resistance.

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