Mullite Insulating Refractory Fire Brick Light Weight Mullite Bricks

• Application: Refractory
• Type: Ceramic Parts
• Color: White;Yellow
• Shape: Square
• Application Domain: Industry Usage
• Property: High Temperature Resistance,Corrosion Resistant
• Model NO.: High purity mullite slab
• Feature: High Hardness
• Size: Customized Size
• OEM, ODM: Accepted
• Transport Package: Plywood Case
• Specification: customization
• Trademark: shangtao
• Origin: Shanghai, China
• Production Capacity: 50000 PCS/Year

Product Description

 

Mullite Cordierite Ceramic extrude batts:

Plain Batts are the most common type of primary kiln furniture, usually produced by semi-dry pressing, but can also be made by pressure-casting. Extruded batts can be split into ten sub-categories as follows: Extra Large Batt, Extra Thin Batt, Plain Batt, Perforated Batt, Grooved Batt,Trapezoid Batt, Recessed Batt, Full Disc, Half Disc and Special Batt.

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 ºC		<1300	<1300	<1350	<1450	<1500