HONEYCOMB

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HONEYCOMB

Advantage:

Variety of materials& specifications

Big specific surface area

small resistance loss

Low thermal expansion coefficient

High water absorb rate

Outstanding crack-resistance

Chemical & Physical Analysis:

Chemical & Physical index		cordierite	Dense cordierite	cordierite-mullite	Mullite	Corundum-mullite
Chemical composition(%)	SiO2	45-55	45-55	35-45	25-38	20-32
	Al2O3	30-38	33-43	40-50	50-65	65-73
	MgO	10-15	5-13	3-13	-	-
	K2O+Na2O	<1.0	<1.0	<1.0	<1.0	<1.0
	Fe2O3	<1.5	<1.5	<1.5	<1.5	<1.5
Thermal Expansion Coefficient		<2	<4	<4	<5	<7
Specific Heat J/kg.K		830-900	850-950	850-1000	900-1050	900-1100
Working Temperature ℃		<1300	<1300	<1350	<1450	<1500

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