Industrial Alumina Fiber Shapes

Product Description

Industrial alumina fiber shapes are meticulously manufactured using high-purity mullite as the primary raw material through precisely controlled high-temperature sintering processes. This advanced technique ensures the formation of a dense and uniform polycrystalline microstructure, endowing the products with exceptional comprehensive properties: outstanding high-temperature resistance enables structural stability under prolonged thermal exposure; superior thermal shock resistance allows effective withstanding of rapid temperature fluctuations; remarkable anti-creep capability prevents deformation under sustained high temperatures and stress loads; and excellent chemical inertness provides high stability against corrosion from various molten slags and chemical atmospheres.

Industrial alumina fiber shapes have become indispensable key materials in high-temperature industrial furnaces (such as refractory structures, kiln linings, etc.), metallurgy, ceramics, electronics, glass manufacturing, and other industrial sectors. More importantly, we offer highly flexible customization services, capable of producing various complex-shaped components according to customers' specific drawings and technical requirements. This ensures precise compliance with special working conditions and application needs across different scenarios, providing solid guarantees for project reliability and economic benefits.

Core Features & Advantages

Exceptional High-Temperature Performance

Withstands Extreme Heat: Capable of long-term service at 1400-1500°C, with even higher short-term limit temperatures, without performance degradation.

Low Thermal Conductivity: Offers excellent thermal insulation, significantly reducing external equipment surface temperature, improving thermal efficiency, and saving energy.

Superior Thermal Stability: Resists cracking and spalling under rapid thermal cycling conditions, with thermal shock resistance far exceeding that of traditional refractory materials.

Outstanding Mechanical & Chemical Stability

High Strength & High Modulus: Maintains excellent mechanical strength and structural rigidity even at high temperatures, providing strong load-bearing capacity.

Resists Chemical Corrosion: Exhibits strong resistance to most acidic, alkaline environments, and molten metals, particularly effective against reducing atmospheres.

Low Thermal Expansion Coefficient: Minimal dimensional change with temperature fluctuations, ensuring precise dimensional stability across a wide temperature range.

Design Flexibility & Customization

Complex Shape Customization: Can be customized into any complex shape-such as cylinders, saggars, nozzles, rails, brackets, and seals-based on your equipment chamber, gas flow paths, or special process requirements.

Precise Dimensions: High manufacturing accuracy enables easy installation and tight fits, effectively enhancing overall equipment sealing and operational reliability.

Typical Application Areas

Aerospace: Rocket engine insulation liners, thermal protection system components for spacecraft.

Industrial Furnaces/Kilns: Linings, rails, muffle covers, and furnace rolls for high-efficiency, energy-saving roller hearth kilns, shuttle kilns, and atmosphere furnaces.

Semiconductor & Photovoltaics: Heat shields, carriers, and crucibles for crystal growth furnaces (monocrystalline silicon, sapphire).

Metallurgical Industry: Molten metal filtration, insulation linings for smelting furnaces, heat treatment fixtures.

Chemical & Environmental Protection: High-temperature flue gas filter tubes, catalytic converter substrates.

Product Parameters

Item		Index
Classification temperature(C)		1600	1700
Use limit(C)		1450	1600
Al2O3(%)		62	70
Al2O3+SiO2 (%)		98	98.5
Density(Kg/m3)		250-600	250-600
Thermal conductivity (W/m.k)	400C	0.08	0.08
	600C	0.10	0.09
	800C	0.13	0.12
	1000C	0.15	0.15
	1200C	0.19	0.19
Linear shrinkage (%)		≤2 (1450Cx24h)	≤1.5 (1600Cx24h)
Modules of rupture (Mpa)		≥0.3	≥0.3
Compressive strength (Mpa)		≥0.25	≥0.25
Ignition loss(%)		8	8

Product Certificate 

FAQ

Q1: What's the minimum order quantity for a trial purchase?

A1: There isn't one. Tell us what you need and we'll tailor the smartest, most cost-effective way to get you started-whether that's one unit or one thousand.

Q2: Why partner with us?

A2: Three decades of know-how in one sentence: we combine 32 years of manufacturing experience with factory-direct pricing and an engineering team that answers emails faster than most suppliers answer the phone.

Q3: Are you a trading company or the actual factory?

A3: We're the source. Founded in 1993, our ISO-certified plant is open for inspections anytime.

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