Advanced Alumina Fiber Insulation Blanket

Product Introduction

Advanced Alumina Fiber Insulation Blanket is a high-performance refractory insulation material made from high-purity polycrystalline alumina fibers through a specialized needled process. Designed for extreme high-temperature applications, it offers exceptional thermal stability, low thermal conductivity, and excellent thermal shock resistance.

Advanced Alumina Fiber Insulation Blanket can withstand continuous operating temperatures up to 1400-1500°C and short-term temperatures up to 1600°C without deforming, shrinking, or melting. Their lightweight design reduces furnace loads and significantly saves energy compared to traditional refractory materials.

Due to their structural flexibility and high mechanical strength, alumina fiber needled blankets are easy to cut and install, making them ideal for industrial furnace linings, petrochemical equipment, high-temperature pipelines, aerospace thermal protection, and energy storage systems.

A reliable solution for modern industries seeking advanced thermal insulation, alumina fiber needled blankets provide long-lasting performance, safety, and efficiency even under the most demanding operating conditions.

Product Features

• High Thermal Stability

• High Tensile Strength

• Low Thermal Conductivity

• Low Heat Capacity

• High Reflectivity

• High Corrosion Resistance

• High Hot Strength

Product Applications

Industrial furnace linings: Serves as the core insulation layer of all-fiber linings for high-temperature melting furnaces, heat treatment furnaces, sintering furnaces, and other applications.

Aerospace thermal barriers: Used for thermal insulation and fire protection in engine compartments and high-temperature areas of aircraft.

Chemical equipment insulation: Encapsulates chemical pipelines and equipment such as cracking furnaces and converters, achieving high efficiency and energy savings.

Non-ferrous metals: Used for filtration, diversion troughs, and ladle insulation for molten metals such as aluminum and copper.

Ceramic sintering supports: Serves as kiln furniture, supporting ceramic blanks for high-temperature sintering, offering excellent thermal shock resistance.

Heat treatment equipment: Used in annealing furnaces, brazing furnaces, and other applications as flexible insulation components such as furnace door seals and furnace curtains.

Fire protection: Produces safety and protection products such as high-temperature fire blankets and fire escape insulation.

Laboratory high-temperature equipment: Provides lightweight internal insulation solutions for experimental equipment such as tube furnaces and box furnaces.

Product Parameters

Performance		Test method	Model 72
Al2O3:SiO2(%) Chemical structure		Chemical analysis	72:28
Mineral structure		XRD	δ-Al2O3/ γ-Al2O3/ Mullite
Classification temperature(℃)		GB/T 3003-2017	1600
Shot content(≥45 um)(%)		GB/T 5480-2017	0-2
LOI(%)		GB/T 32179-2015	0.1
Specific gravity(g/cm3)		GB/T 5071-2013	3.1
Average fiber diameter( μ m)		GB/T 5480-2017	5.5-7.5
Specific heat capacity (J/kg/K)		GB/T 19466.4-2016	1.17x103~1.21x103
Heat Shrinkage (%)	1400℃ x 24h	GB/T 17911	≤1
	1650℃ x 24h		≤1
Thermal conductivity	600℃	GB/T 17911	B.D.=100kg/m30.16	B.D.=130kg/m30.15	B.D.=150kg/m30.15
	1000℃		0.33	0.32	0.31
	1200℃		0.49	0.46	0.44

 

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FAQ

Q1: Can the packaging be customized according to client requirements?

A1: Yes. We offer customized packaging options, including compressed bales, jumbo bags, and labeled export-standard packaging.

Q2: Do you provide free samples?

A2: We do provide free samples, with shipping costs to be covered by the customer.

Q3: Are you a manufacturer?

A3: Yes, we are a direct manufacturer. You are warmly welcome to visit our facility, and I would be glad to personally show you around our production lines.

 

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