Refractory Brick Fire Clay Brick for Industrial Kiln Construction

• Customization: Available
• Classification: Clay
• Feature: Good Mechanical Strength, Good Thermal Insulation Performance, High-Temperature Resistant, Low Thermal Conductivity
• Production Process: Extrusion Method
• Refractoriness (℃): 1770< Refractoriness< 2000
• Shape: Brick
• Usage: Furnace Liner
• Al203 Content (%): 35%-45%
• Si02 Content (%: 52%
• MGO Content (%): 0.1%
• Refractoriness (Degree): Common1580< Refractoriness< 1770
• Cro Content %): 0.1%
• Bulk Density: 2.0~2.2g/cm3
• Sic Content %): 0.1%
• Apparent Porosity: 23%~26%
• Cold Crushing Strength: 20~35MPa
• Cao Content %): 0.1%
• Application: Industrial Furnaces
• Single Package Size: 100X100X110.Cm
• Transport Package: Wooden Box
• Specification: 230*114*64mm or 230*114*76mm
• Trademark: Thermaxcel
• Origin: Shandong, China
• Package Size: 110.00cm * 110.00cm * 100.00cm
• Package Gross Weight: 2100.000kg

Product Description

Product Description

Fireclay Refractory Brick is designed for power plant boiler lining, suitable for medium to high temperature zones such as furnace walls, flue ducts, and convection sections.

With stable fireclay composition and dense fired structure, this brick provides reliable refractoriness, good mechanical strength, and stable performance under long-term boiler operation, making it a cost-effective solution for boiler refractory lining and maintenance projects.

Features

Stable Refractoriness for Boiler Operation

Dense Structure with Good Mechanical Strength
Reliable Performance at Medium–High Temperatures
Moderate Thermal Shock Resistance
Designed for Power Plant Boiler Lining
Standard and Custom Shapes Available

Applications

Furnace Wall Lining
Hot face and working lining
Stable under continuous operation

Flue & Gas Duct Lining
Medium temperature zones
Good resistance to gas flow erosion

Brand Properties		SK-32	SK-33	SK-34	SK-35
Refractoriness(SK)		32	33	34	35
Apparent Porosity(%)		26	24	23	23
Bulk Density (g/cm3)		2.10	2.15	2.20	2.25
Cold Crushing Strength(MPa)		20	30	35	40
@ 1,000ºC Thermal Linear Expansion(%)		0.6	0.6	0.6	0.6
@ 1350ºC x 2hrs Permanent Linear Change (%)		±0.5	±0.5	±0.3	±0.3
@0.2MPa Refractoriness Under Load (ºC)		1,250	1,300	1,350	1,380
Chemical Composition(%)	Al2O3	35	38	40	46
	Fe2O3	3.0	2.2	2.0	2.0

Q1: Where is SK32 mainly used in boilers?
Used for furnace walls and flue lining.

Q2: Can brick size be customized?
Yes, standard and custom shapes are available.

Q3: Is SK32 suitable for very high temperature zones?
SK32 is suitable for medium–high temperature zones. High alumina bricks are recommended for higher temperatures.