polycrystalline alumina blanket for furnace insulation

polycrystalline alumina blanket for furnace insulation

2025-07-28 14:06:37

In the world of high-temperature applications,furnace insulation is one of the most critical elements in ensuring energy efficiency,operational safety,and cost reduction.Among various thermal insulation materials,the polycrystalline alumina blanket for furnace insulation has emerged as a superior solution for its exceptional thermal properties and durability.At Jiuqiang,we specialize in manufacturing premium-grade polycrystalline alumina blankets that meet the rigorous demands of industrial furnaces across diverse sectors.

What is a Polycrystalline Alumina Blanket?

A polycrystalline alumina blanket for furnace insulation is a high-performance insulation product composed mainly of alumina fibers with high purity.These fibers are produced by the sol-gel method and converted into flexible blankets without any binders or adhesives,making them suitable for extreme temperatures.

Key Properties:

Temperature Resistance:Can withstand continuous temperatures above 1600°C.

Low Thermal Conductivity:Improves furnace energy efficiency.

Chemical Stability:Resistant to most chemicals and corrosive environments.

Durability:Excellent mechanical strength even after thermal cycling.

Applications of Polycrystalline Alumina Blanket for Furnace Insulation

Jiuqiang’s polycrystalline alumina blanket for furnace insulation is widely used in:

Petrochemical furnaces

High-temperature kilns

Aerospace thermal shielding

Power generation boilers

Heat treatment furnaces

Why Choose Jiuqiang's Polycrystalline Alumina Blanket?

At Jiuqiang,we understand that quality insulation is a strategic investment.Our advanced manufacturing process ensures that each blanket offers:

Consistent fiber distribution for uniform insulation

No organic binders,which means no smoke or fumes upon initial heating

Lightweight and easy to install

Custom thickness and density options

With more than 15 years of industry experience,Jiuqiang is a trusted global supplier of refractory insulation materials.

Property

Value

Maximum Use Temperature

1800°C

Fiber Composition

≥ 72% Al?O?

Density

96-160 kg/m³

Thermal Conductivity @ 1000°C

≤ 0.15 W/m·K

Advantages over Other Insulation Materials

Compared to ceramic fiber blankets or mineral wool,polycrystalline alumina blanket for furnace insulation offers:

Higher temperature resistance

Better shrinkage control

Longer service life in extreme conditions

This makes it ideal for industries aiming to upgrade from traditional insulation to a more robust and efficient solution.

Environmental Impact&Safety

Our polycrystalline alumina blanket for furnace insulation is eco-friendly and free from harmful crystalline silica.It meets international standards for workplace safety and thermal performance.

Case Studies:Successful Applications

Steel Industry:Reduced energy loss in continuous annealing furnaces by 30%.

Glass Manufacturing:Improved insulation longevity in forehearths and regenerators.

Aerospace:Used in jet engine test chambers for thermal shielding.

Final Thoughts

If you're looking to upgrade your furnace insulation,a polycrystalline alumina blanket for furnace insulation from Jiuqiang is the smart choice.Offering superior heat resistance,excellent durability,and proven performance,it stands out as the industry standard for thermal insulation at high temperatures.

Contact Jiuqiang

To learn more about how Jiuqiang can meet your industrial insulation needs,contact us today for a custom quote or free consultation.Whether you're in steel,ceramics,or aerospace,our experts are ready to assist.

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