High Temperature Polycrystalline Fiber Wool Board For Sale

high temperature polycrystalline fiber board

Polycrystalline Fiber Wool Board

Laurel's polycrystalline fiber wool board is a high-performance, rigid insulation panel engineered using advanced sol-gel techniques. With a stable crystalline alumina-silica fiber matrix, this high temperature polycrystalline fiber board delivers exceptional thermal integrity, dimensional accuracy, and chemical resistance.

Designed for ultra-high-temperature operations, this polycrystalline fiber board for sale maintains form and insulating value in applications up to 1600 °C. Its low thermal shrinkage and excellent resistance to mechanical stress make it a reliable solution for heavy-duty thermal systems, reactors, and industrial kilns.

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Product Details
Table Parameters
Features
Applications
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Product Details

Applications

Steel & Metallurgy — Ideal polycrystalline fiber wool board for tundishes, ladles, and forging furnace linings.

Petrochemical Processing — Reactor linings and insulation for flare stacks and high-heat pipes.

Power & Energy Systems — Gas turbine casings, boiler linings, and exhaust channels.

Glass & Ceramic Industry — Wall and ceiling insulation in firing, annealing, and tempering units.

Semiconductor & Cleanroom — Custom-cut high temperature polycrystalline fiber board for kilns and controlled thermal environments.

Product Advantages

Superior Thermal Efficiency — Consistently low thermal loss at elevated temperatures

Durability in Thermal Cycling — Resistant to deformation after repeated heating

Custom Machining — Easy shaping of polycrystalline fiber wool board to fit tight or curved zones

Non-Wetting Properties — Ideal for contact with molten metals or aggressive slags

Lightweight Build — Simplifies installation and reduces structural load

Table parameters

Classification Temperature(ºC)	1600	1700	1800
Working Temperature(ºC)	1450	1550	1650
Permanent Linear Shrinkage(%)	1450ºC×6h ≤1	1550ºC×6h ≤1	1650ºC×6h ≤1
Theoretical Density (kg/m3)	≥300	≥450	≥500
Al2o3 (%)	70-73
SiO2(%)	26-29
Package	Plastic bag and plastic foam inside, Wooden box outside.

Features

Features

Working Temperature: Continuous use at 1550 °C; peak resistance at 1600 °C

Density Range: 300–450 kg/m³

Available Thickness: 6–50 mm (custom sizes available)

Thermal Conductivity: As low as 0.13 W/m·K at 1000 °C

Composition: >70% Al₂O₃, 26–29% SiO₂; shot-free polycrystalline structure

Shrinkage: <1% after 6 hours at 1500 °C

Applications

Steel Industry

Aluminum Industry

Cement Industry

Glass Industry

Ceramic Industry

Foundry Industry

Petrochemical Industry

Power Industry

Energy and environmental protection

Other metallurgical industries

High Temperature Polycrystalline Fiber Wool Board Supplier

Insulation and Refractory Materials