MC2692 Mullite Ceramic Honeycomb

Catalog No.	MC2692
Color	Tan
Compositions	3Al2O3•SiO2
Working Temperature	≤1500℃
Hole Type	Round/Square

Mullite Ceramic Honeycomb is made of mullite ceramic. Stanford Advanced Materials (SAM) has over two decades’ experience supplying Mullite Ceramic Honeycomb of high quality at competitive prices.

INQUIRY

Description

Specification

Technical Data Sheet

Mullite Ceramic Honeycomb Description

Mullite Ceramic Honeycomb is a structured form of ceramic made from mullite (3Al2O3·2SiO2), a silicate mineral of aluminum and silicon, known for its excellent thermal stability, high mechanical strength, and chemical inertness. The honeycomb structure is characterized by a network of interconnected channels or cells arranged in a regular pattern, resembling the hexagonal prismatic wax cells made by bees in a beehive. This unique structure provides an exceptional balance of low density, high surface area, and good thermal and mechanical properties.

Mullite Ceramic Honeycomb Specifications

Properties	Units	Test	Value
Physical
Chemical Formula	-	-	3Al₂O₃-SiO₂
Density, ρ	g/cm³	ASTM C20	2.80
Color	-	-	tan
Crystal Structure	-	-	orthorhombic
Water Absorption	% @R.T.	ASTM C373	0.0
Hardness	Moh's	-	8
Hardness	knoop (kg/mm²)	Knoop 100g	1450
Mechanical
Compressive Strength	MPa @ R.T.	ASTM C773	551
Tensile Strength	MPa @ R.T.	ACMA Test #4	103.5
Modulus of Elasticity (Young's Mod.)	GPa	ASTM C848	150
Flexural Strength (MOR)	MPa @ R.T.	ASTM F417	170
Poisson's Ratio, ν	-	ASTM C818	0.25
Fracture Toughness, K_Ic	MPa x m^1/2	Notched Beam Test	2.0
Thermal
Max. Use Temperature (* denotes inert atm.)	ºC	No load cond.	1700
Thermal Shock Resistance	ΔT (ºC)	Quenching	300
Thermal Conductivity	W/m-K @ R.T.	ASTM C408	3.5
Coefficient of Linear Thermal Expansion, α_l	µm/m-ºC (~25ºC through ±1000ºC)	ASTM C372	5.3
Specific Heat, c_p	cal/g-ºC @ R.T.	ASTM C351	0.23
Electrical
Dielectric Constant	1MHz @ R.T.	ASTM D150	6.0
Dielectric Strength	kV/mm	ASTM D116	9.8
Electrical Resistivity	Ω cm @ R.T.	ASTM D1829	10¹³

Mullite Ceramic Honeycomb Chemical Composition

SiO₂%	25-38
Al₂O₃%	50-65
MgO%	<1.0
K₂O+Na₂O₃%	<1.0
Fe₂O₃%	<1.5

Mullite Ceramic Honeycomb Applications

Catalytic Converters in Automotive Exhaust Systems: The honeycomb structure provides a large surface area for the catalytic coating, facilitating the efficient conversion of exhaust gases into less harmful substances.
Heat Exchangers: Utilized in high-temperature environments for efficient heat transfer with minimal pressure drop, benefiting from the high surface area and thermal stability of mullite.
Gas Burner Media: Used in industrial burners to improve combustion efficiency, the honeycomb structure helps in evenly distributing the gas flow and increasing the surface area for combustion.
Filtration: Serving as filters for hot gases or liquids, the mullite ceramic honeycomb can withstand high temperatures and corrosive environments, making it suitable for industrial filtration applications.
Structural Support and Insulation: In kilns and furnaces, it provides lightweight structural support and insulation while maintaining stability at high temperatures.

Mullite Ceramic Honeycomb Packing

Our Mullite Ceramic Honeycomb is carefully handled during storage and transportation to preserve the quality of our product in its original condition.