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Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Specifications
Brand Name :
LEADSUN
Model Number :
LG0.5-1.2
Certification :
ISO
Place of Origin :
CHINA
MOQ :
500 PCS
Price :
Negotiable Price
Payment Terms :
L/C,D/P,T/T,Western Union
Supply Ability :
1000 tons/month
Delivery Time :
10-15days
Packaging Details :
Pallet
Application :
Furnace lining, heat insulation
Productname :
High Alumina Insulation Brick
Size :
230*114*65mm 230*114*75mm
Color :
White or Pink
Refractoriness :
900-1500C
Density :
0.5-1.3g/cm3
Package :
Pallet
Shape :
Customizable
Description

Lightweight High Alumina Insulation Brick For Energy-Efficient Furnaces 230*114*65mm

Lightweight high alumina bricks, or high-alumina insulating bricks, are critical components for thermal insulation in industrial kilns and furnaces. Engineered to minimize heat loss and enhance energy efficiency, they typically contain over 48% Al₂O₃. Primarily serving as backup insulation, they are installed behind the primary furnace wall, shielded from direct exposure to peak temperatures. This refractory material combines high compressive strength with low thermal conductivity to deliver reliable and effective thermal insulation.

Technical data
Brand
Items
LG-1.2
LG-1.0
LG-0.8
LG-0.7
LG-0.6
LG-0.5
Al2O3 %
≥48
≥48
≥48
≥48
≥48
≥48
Fe2O3 %
≤2
≤2
≤2
≤2
≤2
≤2
Bulk Density g/cm3
≤1.2
≤1.0
≤0.8
≤0.7
≤0.6
≤0.5
Cold Crush Strength,MPa
≥4.5
≥4.0
≥3.0
≥2.5
≥2.0
≥1.5
Permanent Linear Change Rate,%
1400℃×12h ≤2
1400℃×12h ≤2
1400℃×12h ≤2
1350℃×12h ≤2
1350℃×12h ≤2
1250℃×12h≤2
Thermal Conductivity W/(m·K)
350±25℃
≤0.55
≤0.50
≤0.35
≤0.35
≤0.30
≤0.25

Application in Furnace Design:
Lightweight high alumina bricks are strategically positioned in the insulating layer of a composite refractory lining system. Their role is critical in:

  • Thermal Management: They act as a high-temperature insulator behind the primary working lining, drastically reducing heat flux to the furnace shell.

  • Energy Conservation: By forming a reliable thermal barrier, they directly contribute to lower operating costs and improved energy efficiency of the thermal unit.

  • Structural Protection: Their installation helps maintain a lower and more stable temperature on the furnace’s steel casing, protecting it from thermal damage.

  • Typical Placement: These bricks are not in direct contact with the furnace charge or flame but are essential for the lining's overall thermal performance and longevity.

  • Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick


























Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory BrickLight High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick

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Product Detail
Brand Name :
LEADSUN
Model Number :
LG0.5-1.2
Certification :
ISO
Place of Origin :
CHINA
MOQ :
500 PCS
Price :
Negotiable Price
Contact Supplier
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick
Light High Alumina Insulation Brick 230x114x65mm Furnace Insulating Refractory Brick

Qingdao Leadsun Refractory Co., Ltd

Verified Supplier
1 Years
qingdao
Since 2014
Business Type :
Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Ceramic Fiber Blanket, Fire Clay Brick, Insulation Refractory Bricks
Total Annual :
3000000-5000000
Employee Number :
5~20
Certification Level :
Verified Supplier
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