

Wedge India – Ceramic Fiber Blankets, Boards & High-Temperature Insulation Solutions
Ceramic fiber insulation materials are widely used for high-temperature insulation in various industrial applications. They offer excellent thermal stability, low thermal conductivity, and resistance to thermal shock. Here’s an overview of ceramic fiber insulation blankets and boards, including their composition, properties, applications, and benefits.
Ceramic Fiber Insulation Blankets
Composition: Ceramic fiber blankets are made from high-purity alumina-silica materials. They are produced through a process involving the melting of these materials at high temperatures, followed by fiberizing and forming into blankets.
Properties:
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High Temperature Resistance: Withstand temperatures up to 2300°F (1260°C) or higher, depending on the grade.
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Low Thermal Conductivity: Provides excellent insulation and energy savings.
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Lightweight: Easy to handle and install.
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Flexibility: Can be easily cut and shaped to fit various applications.
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Thermal Shock Resistance: Can withstand rapid changes in temperature without damage.
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Chemical Stability: Resistant to most chemicals, except for hydrofluoric acid, phosphoric acid, and concentrated alkalis.
Applications:
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Furnace and Kiln Linings: Used in industrial furnaces, kilns, and ovens.
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Pipe and Duct Insulation: Insulating high-temperature piping and ductwork.
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Expansion Joint Seals: Flexible and resilient material for sealing gaps.
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Heat Shields and Gaskets: Protective barriers against heat.
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Fire Protection: Fireproofing applications and fire-rated construction.
Our Ceramic Fiber & Refractory Insulation Product Range
Wedge India is one of the largest manufacturers and suppliers of refractory and ceramic fiber insulation materials in India. Our ceramic blankets, boards, modules, ropes, cloth, paper, and high-density insulation products are engineered for industrial applications requiring thermal stability, fire resistance, and energy efficiency.
We deliver insulation materials with low thermal conductivity, high fire resistance, and superior mechanical strength, designed for furnaces, kilns, boilers, power plants, steel, glass, and petrochemical industries.
1. AlSi Ceramic Fiber Blankets (1100, 1260, 1450, ASZ Blanket)
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Manufactured from aluminium silicate fibers with excellent fire resistance.
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Low heat storage, high tensile strength, and resistance to thermal shock.
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Applications: Industrial furnace lining, fire doors, refractory back-up, boilers, glass furnaces.
Ceramic Fiber Blanket India, AlSi 1260 blanket, refractory insulation material.
2. CaSi1100 – Bio Soluble Fiber Blanket
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Eco-friendly bio-soluble calcium silicate fiber blanket.
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Flexible, lightweight, excellent thermal performance up to 1100°C.
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Applications: Steel reheating furnaces, kilns, forging furnaces, high-temp gaskets.
3. AlSi Flexible Paper (650HP, FP1050, FP1260, FP1450)
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Thin, lightweight ceramic fiber paper for space-constrained insulation.
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Provides high chemical stability, heat resistance, and non-wetting to molten metals.
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Applications: Gaskets, fire protection, hot tops, semiconductor equipment.
4. AlSi Ceramic Fiber Modules (1260, 1350, 1430)
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Pre-formed ceramic fiber modules with excellent fire resistance.
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Reduce installation time, ideal for continuous furnace linings.
5. Ceramic Fiber Textiles & Ropes (Round, Square, Twisted)
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Woven ceramic yarn textiles and ropes reinforced with fiberglass or stainless steel.
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Designed for sealing, packing, furnace doors, gaskets, and lamp wicks.
6. AlSi Boards – Ceramic Fiber Boards (1260, 1430, 1450)
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Vacuum-formed ceramic insulating boards.
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High mechanical strength, low conductivity, thermal shock resistant.
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Applications: Furnace lining, kilns, reheating furnaces, insulation gaskets.
7. AlSi1200CT – Ceramic Fiber Cloth
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Woven high-temperature cloth reinforced with glass or stainless steel.
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Suitable for furnace curtains, welding blankets, aerospace and cryogenic insulation.
8. AlESi Boards – Alkaline Earth Silicate Boards (Bio-Soluble)
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Eco-friendly, safe-to-handle bio-soluble insulation boards.
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Available in 1260°C and 1450°C grades for furnace and kiln insulation.
9. High Alumina Refractory Fiber Blankets (1500–1650°C)
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Polycrystalline fiber blankets with extremely low shrinkage.
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High stability at temperatures up to 1650°C.
10. HD-AlSi High Density Ceramic Fiber Blankets
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Designed for mechanical stress and vibration conditions.
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Used in steel, petrochemical, and power generation industries.
11. HD-AlSi Boards – High Density Ceramic Boards
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Strong, durable boards with superior compressive strength.
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Suitable for blast furnace insulation, reheating furnaces, and kilns.
12. BA Alumina Insulating Boards (90, 95, 99, 99HP)
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Made from high-purity alumina bubbles.
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Withstand up to 1800°C.
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Used in extreme heat furnaces, kilns, and aerospace applications.
13. CaSiF Fiber Blankets (800–1260°C)
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Flexible, bio-grade fiber insulation.
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Excellent resistance to high heat and chemical attack.
14. AlSi Ceramic Fiber Felts (1050–1430°C)
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Soft, lightweight felts for sealing, backup insulation, and high-temp shields.
15. AlSi HTI Tapes (1050–1450°C)
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Fire protection tapes with up to 240 min fire rating.
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Widely used in fire doors, furnace sealing, and gaskets.
16. HDAlSiZ – High Density Ceramic Blankets (130–185 kg/m³)
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Reinforced zirconia-based high density ceramic blankets.
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Designed for steel, glass, and petrochemical industries.
Why Choose Wedge India Ceramic Fiber Insulation?
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ISO 9001 & ISO 14001 certified products
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India’s leading manufacturer & exporter
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Custom sizes, thickness & density available
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Proven performance across steel, glass, petrochemical, power & aerospace sectors
Frequently Asked Questions (FAQs)
Q1: What is the temperature range of ceramic fiber insulation?
Ceramic fiber blankets, boards, and modules range from 1100°C to 1650°C, depending on the grade.
Q2: Are your insulation products eco-friendly?
Yes, our CaSi and AlESi bio-soluble fibers are environmentally safe and comply with global standards.
Q3: What industries use ceramic fiber insulation?
Our products are widely used in steel plants, glass furnaces, petrochemical units, power boilers, and aerospace applications.
Q4: Can I get customized sizes?
Yes, Wedge India provides custom dimensions, densities, and compositions as per project requirements.