Jm26 Refractory Insulation Fire Brick for High Temperature Annealing Furnaces

• Customization: Available
• Classification: Clay
• Feature: Good Mechanical Strength, Good Thermal Insulation Performance, High-Temperature Resistant, Light Weight, Low Thermal Conductivity
• Model NO.: Insulation Brick
• Production Process: Extrusion Method
• Refractoriness (℃): 1770< Refractoriness< 2000
• Shape: Brick
• Modelnumber: Jm
• Crushing Strength: 1.2MPa
• Keyword: Insulating Corundum Mullite Fire Brick
• Cao Content %: 0.01
• MGO Content (%): 0.18%
• Refractoriness (Degree): Common1580<Refractoriness<1770
• Bulk Density: 0.6g/cm3
• Single Package Size: 100X100X110.Cm
• Sic Content (%): 1.2%~1.4%
• Modulus of Rupture: 1.Ompa
• Al203 Content %): 40%
• Apparent Porosity: 20-23%
• Cro Content (%): 0.1~0.3%
• Application: Refractory Industry
• Transport Package: Wooden Box
• Specification: 230X114X65MM
• Trademark: Thermaxcel
• Origin: Shandong, China
• Production Capacity: 5000 Tons/Year
• Package Size: 110.00cm * 110.00cm * 100.00cm
• Package Gross Weight: 880.000kg

Product Description

Product Description

Insulating mullite brick is a lightweight refractory insulation brick designed for high temperature furnace lining and thermal insulation applications. It features low bulk density, good thermal insulation performance, neat brick shape, and stable structure under working conditions.

Made from quality mullite-based refractory material, this insulating brick helps reduce heat loss, improve furnace thermal efficiency, and support stable lining performance. It is suitable for use in various industrial furnaces where lightweight backup insulation and energy saving are required.

The brick has a uniform porous structure, clean cut edges, and good dimensional accuracy, making it convenient for installation and lining construction. It is widely used in non ferrous metal furnaces, kilns, and other thermal equipment.

Features

Lightweight insulating refractory brick
Good thermal insulation performance
Mullite refractory structure
Low heat loss and energy saving effect
Uniform porous texture and neat shape
Easy for furnace lining installation
Suitable for high temperature insulation applications

Applications

Non ferrous metal furnaces
Industrial kilns
Furnace backup lining
Thermal equipment insulation
High temperature lining systems

Brand Properties		JM-23LD	JM-23	JM-26	JM-28	JM-30	JM-32
Classification temperature(ºC)		1300	1300	1400	1500	1550	1600
Bulk Density (g/cm3)		0.55	0.6	0.8	0.9	1.0	1.1
Cold Crushing Strength(MPa)		1.0	1.2	1.8	2.5	3.3	3.5
Modulus of rupture (MPa)		1.0	1.0	1.7	2.3	3.1	3.2
(CTºCX24h)Permanent Linear Change (%)		-0.4	0.6	0.6	0.8	0.9	1.01
@ 1,100ºCThermal Linear Expansion(%)		0.50	0.50	0.52	0.52	0.53	0.7
Thermal conductivity (W/m.k)	350ºC	0.14	0.18	0.27	0.32	0.38	0.49
	400ºC	0.15	0.20	0.29	0.34	0.40	0.5
	600ºC	0.17	0.24	0.32	0.36	0.42	0.51
(%)Chemical Analysis	Al2O3	38	40	56	67	73	77
	Fe2O3	0.8 (CaO12%)	1.0	0.8	0.7	0.7	0.5

1. What is insulating mullite brick used for?
It is used for furnace lining, backup insulation, and thermal insulation in high temperature equipment.

2. What are the common grades available?
Common grades include JM23, JM26, and JM28.

3. Is it suitable for industrial furnace use?
Yes. It is widely used in industrial furnaces, kilns, and other thermal equipment.

4. Can you provide different brick sizes?
Yes. Different sizes can be supplied according to customer requirements.

5. Can you produce according to drawings?
Yes. We support drawing-based production and customization.

6. What information is needed for quotation?
Usually, grade, size, quantity, and application are enough for quotation.