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High-Performance Alumina Needled Insulation Blanket

Name: China Customized High-Performance Alumina Needled Insulation Blanket Suppliers, Factory - Wholesale Price - Soaring Universe Refractory
Brand: SUNTHERM
SKU: 279013764

High-Performance Alumina Needled Insulation Blankets are produced via a sol-gel process and precision needling. Composed mainly of Al₂O₃ and SiO₂, the fibers exhibit a dense structure and stable crystals. The needling enhances fiber interweaving, providing high tensile strength, excellent delamination resistance, and a smooth surface.

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Description

Product Introduction

High-Performance Alumina Needled Insulation Blankets are advanced refractory insulation materials engineered for extreme-temperature applications. Manufactured from high-purity alumina fibers using precision needling technology and high-temperature treatment, these blankets offer exceptional thermal stability and energy efficiency. Key characteristics include excellent resistance to high temperatures, low thermal conductivity, outstanding thermal shock resistance, and superior chemical stability.

These properties make High-Performance Alumina Needled Insulation Blankets ideal for use in a wide range of demanding environments such as industrial furnaces, heat treatment equipment, aerospace thermal barriers, and chemical processing systems. They serve as highly effective energy-saving linings, helping to reduce heat loss, improve thermal efficiency, and ensure operational safety. Their durability and performance also make them suitable for fire protection applications and laboratory high-temperature equipment.

As a versatile and reliable insulation solution, alumina fiber needle-punched blankets contribute significantly to enhanced process efficiency and safety compliance in various high-temperature industries.

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

Product Certificate

product-1600-447

Innovative Materials Help High-Temperature Industrial Energy Efficiency Upgrades: Alumina Needled Insulation Blankets Become a New Industry Favorite

With increasing demands for energy conservation, environmental protection, and safety in high-temperature industries, the demand for high-performance thermal insulation materials continues to grow. As an advanced refractory insulation material, alumina fiber needled blankets are becoming an ideal choice for applications in metallurgy, ceramics, chemicals, aerospace, and other fields.

Alumina fiber needled blankets are made from high-quality alumina fibers through high-temperature treatment and precision needling, resulting in numerous exceptional properties:

Excellent high-temperature resistance, with the operating temperature from 1400-1500°C;

Extremely low thermal conductivity, effectively reducing heat loss and significantly improving equipment thermal efficiency;

Strong thermal shock resistance, capable of withstanding rapid cooling and heating conditions while maintaining structural integrity;

High chemical stability, corrosion resistance, and erosion resistance, making them suitable for a variety of harsh environments;

Excellent mechanical properties, including high tensile strength and delamination resistance, ensure a long service life.

This product is widely used in industrial kiln linings, high-temperature pipe insulation, heat treatment equipment insulation, and aerospace thermal protection systems, providing a reliable solution for enterprises to achieve energy savings, reduce consumption, and lower operating costs. Against the backdrop of tightening environmental protection policies and rising energy costs, alumina fiber needle-punched blankets are expected to become an important material support for the transformation and upgrading of the high-temperature industry.