JM23 Insulation Brick
JM23 Insulation Brick
JM23 Insulation Brick
JM23 Insulation Brick

JM23 Insulation Brick

Introduction of JM23 Insulation Brick JM23 insulation brick is a lightweight refractory material designed to provide exceptional insulation properties in demanding thermal environments. Composed primarily of high-purity materials, including mullite and lightweight aggregates, JM23 insulation...

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Product Introduction

【Product Introduction】

JM23 insulation brick is a lightweight high-aluminum insulating refractory brick, widely used in the insulation lining of industrial kilns.

【Product Features】

High Temperature Resistance
JM23 insulation brick can work continuously in 1300℃ environment without softening or deformation.

High-precision Size Control
The brick is CNC cut and molded, with a tolerance range of ±0.5mm, and the joints are tight and heat is not lost.

Applicable In Multiple Scenarios
JM23 insulation brick is widely used in various kiln backings and hot surface insulation layers in metallurgy, building materials, ceramics, glass, chemicals and other industries.

Brick Made by Mullite

Technical Index of KERUI JM23 Insulation Brick

Item/Grade		MG-23	MG-25	MG-26	MG-27	MG-28	MG-30	MG-32
ω (Al2O3)/%	μ0 ≥	40	50	55	60	65	70	77
	σ	1.0
ω (Fe2O3)/%	μ0 ≤	1.0	1.0	0.9	0.8	0.7	0.6	0.5
	σ	0.1
Bulk Density (g/cm³)	μ0 ≤	0.55	0.80	0.85	0.90	0.95	1.05	1.35
	σ	0.05
Cold Crushing Strength/MPa	μ0 ≥	1.0	1.5	2.0	2.5	2.5	3.0	3.5
	σ	0.2	0.5			1.0
	μmin	0.9	1.3	1.8	2.2	2.2	2.7	3.2
Permanent Linear Change/% (T/℃*12h)	Test Temperature T/℃	1230	1350	1400	1450	1510	1620	1730
	Xmin~Xmax	-2
Thermal Conductivity Coefficient ≤/[W/(m·K)] (Average Temperature ±25℃)	200	0.18	0.26	0.28	0.32	0.35	0.42	0.56
	350	0.20	0.28	0.30	0.34	0.37	0.44	0.60
	600	0.22	0.30	0.33	0.36	0.39	0.46	0.64
0.05MPa Refractoriness Underload ≥T0.5/℃		1080	1200	1250	1300	1360	1470	1570

Mullite Insulation Brick with High Purity

【Frequently Asked Questions】

Q: What is the working principle of JM23 insulation brick?
A: JM23 insulation brick blocks heat conduction through its internal porous structure and uses the air layer to reduce heat exchange, thereby achieving wall insulation and heat insulation effects.

Q: What building scenarios are JM23 insulation bricks suitable for?
A: JM23 insulation bricks are suitable for residential exterior walls, roof insulation layers, cold storage walls and various industrial and civil buildings that require insulation.

Q: What tools are needed to install JM23 insulation bricks?
A: Installing JM23 insulation bricks requires tools such as cutting machines, trowels, spirit levels, tape measures, and adhesive mixing buckets.

Q: How to clean the surface of JM23 insulation bricks?
A: To clean the surface of JM23 insulation bricks, wipe with a damp cloth. Stubborn stains can be wiped lightly with a neutral detergent and then rinsed with clean water.

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