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Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory

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Qingdao Leadsun Refractory Co., Ltd

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Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory

Name: Lightweight Mullite Insulation Brick For Industrial Furnace HighTemperature Refractory
Brand: LEADSUN
Price: 1 USD

$Best Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory wholesale$ $Best Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory wholesale$ $Best Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory wholesale$

Brand Name : LEADSUN

Model Number : JM23JM26 JM28 JM30

Certification : CE ISO

Place of Origin : China

MOQ : 500 pcs

Price : Negotiable

Payment Terms : L/C, D/P, T/T, Western Union

Supply Ability : 10000 pallets/month

Delivery Time : 10 days

Packaging Details : pallets

Productname : Mullite Insulation Brick

Usage : High Temperature Kiln Furnace

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Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory

Leadsun supplies several grades of insulating bricks for applications ranging from 1260°C to 1760°C. Each grade is designed to meet specific thermal and physical requirements, and every brick is precisely machined to tight dimensional tolerances after firing.

These insulating bricks are manufactured from high-purity clays and selected ceramic materials. Carefully graded organic materials burn out during firing, creating a uniform pore structure that ensures excellent insulation performance.

Technical data

Item	JM23	JM26	JM28	JM30
AL2O3(%)	38-44	50-58	65-70	70-73
Fe2O3(%)	1.0	0.9	0.8	0.7
Classification Temperature (℃)	1350	1430	1540	1600
Bulk Density (g/cm3)	0.6-1.0	0.8-1.0	0.9-1.0	1.0-1.3
Reheating Linear Change (%) CT-30 ℃X 8H	1250℃ -0.5	1400℃ -0.5	1500℃ -0.5	1550℃ -0.5
Cold Crushing Strength (Mpa)	3.0-4.5	3.0-4.5	3.0-4.5	3.0-4.5
Modulus of Rupture (Mpa)	1.5	2.0	2.5	3.0
Thermal conductivity 400℃(W/m.k)	0.25	0.27	0.32	0.41
Thermal Expansion1000℃(%)	0.5	0.7	0.8	0.9

Key Advantages

Lightweight and Energy-Efficient
Low Thermal Conductivity
Excellent High-Temperature Insulation
Long Service Life for Furnace Linings

Applications

Industrial furnaces and kilns (hot-face linings)
Energy-saving furnace systems (backup insulation)
High-temperature flue gas ducts
Sulfur recovery units in petrochemical plants
Hot blast stoves for ironmaking and steelmaking

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