Zhengzhou Kerui (Group) Refractory Materials Co., Ltd
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JM23/26/28/30 Mullite lightweight brick
JM23/26/28/30 mullite refractory bricks are generally used as insulation layers for high-temperature kilns, which are energy-saving, environmentally f
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JM23/26/28/30 Mullite Refractory Brick Product Introduction

Characteristics of mullite lightweight insulation brick:

Low thermal conductivity: It has good insulation effect and can make the thickness of the furnace wall thinner.
Low heat capacity: Due to its lightweight and low thermal conductivity, the lightweight mullite brick series products accumulate very little heat energy, and the energy-saving effect is significant in intermittent operation kilns.
◎ Low impurity content: It has a very low melting point of iron and alkali metals, resulting in high refractoriness. The higher aluminum content allows it to maintain good performance even in a reducing atmosphere.
◎ High thermal compressive strength.
Accurate external dimensions: Accelerate masonry speed, with thin and uniform brick joints. Ensure high strength and stability of the masonry structure.
Can be processed into special shapes to reduce the number of blocks and joints.

The T3 size of the mullite lightweight insulation brick standard brick is 230 * 114 * 65mm.Customized processing of special-shaped mullite lightweight insulation bricks can be done according to the provided drawings.

Good product performance

High fire resistance, quality assurance, and good performance in use

Can customize various shaped products

Customized processing based on drawings, digital processing, high precision

Widely applicable in various fields

Suitable for major high-temperature kilns worldwide

Save money, effort, and worry

Direct supply from large factories/supporting construction teams/well-established after-sales departments

JM23/26/28/30 Mullite refractory brickperformance index

brand JM-23 JM-23 JM-26 JM-28 JM-30
Classification temperature, ℃ 1260 1350 1430 1540 1650
Volume density, g/cm³ 0.6 0.8 0.8 1 1
Room temperature compressive strength, MPa 1.3 2 3 3.5 3.5
Reburning line change,% 1250×12h -0.5 1320×12h-0.5 1400×12h -0.5 1510×12h -0.9 1600×12h -0.9

JM23/26/28/30 Mullite Refractory Brick Product Display

Application of JM23/26/28/30 Mullite Refractory Brick Products

Mullite lightweight insulation brickIt can be used as a backing insulation layer for hot surface refractory lining or other refractory materials, applied to smelting furnaces, firing kilns, flues, refining devices, heating devices, gas generators and pipelines, soaking furnaces, annealing furnaces, reaction chambers, and other similar industrial thermal equipment.

JM23/26/28/30 Mullite refractory brickConstruction case

Experienced construction team with over 10 years of construction experience

Dedicated line delivery, fast delivery, greatly reducing transportation cycle

Regular follow-up visits by the after-sales team
24-hour rapid response and 48 hour on-site arrival

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