Crystalline Fiber Strips & Blocks for Ultra-High Temperature Insulation

Polycrystalline mullite fiber insulation for kiln and furnace energy-saving retrofits

🔥 1600°C Classification ⚡ 1500°C Service Temp 🧪 No Binders 💎 Pure Fiber

Crystalline Fiber Strips & Blocks are manufactured from polycrystalline mullite fiber cotton through precision processing. This product contains no binders, providing excellent high-temperature resistance, low thermal conductivity, and superior properties. It is the ideal refractory insulation material for kiln and furnace energy-saving retrofits. Features include excellent chemical stability, thermal shock resistance, corrosion resistance, and flexibility below 1500°C while maintaining easy installation and high thermal reflectivity.

📋 Quick Specifications

Classification Temperature 1600°C
Service Temperature 1500°C
Bulk Density 200 × 100 × 50 pcs
Thermal Conductivity @500°C 100 mW/m·K

Product Features

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Excellent High Temperature Performance

Withstands continuous use at 1500°C with classification temperature up to 1600°C

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Low Heat Capacity

Minimal heat storage for faster heating cycles and energy savings

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Excellent Chemical Stability

Resistant to most chemical environments and corrosive atmospheres

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Thermal Shock Resistance

Superior resistance to rapid temperature changes and thermal cycling

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Corrosion Resistant

Excellent resistance to corrosive gases and chemical attack

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Flexible Below 1500°C

Maintains flexibility at high temperatures, easy adhesion and installation

Technical Specifications

Property Value
Classification Temperature (°C) 1600
Service Temperature (°C) 1500
Product Code ZT-1500 1500°C
Permanent Linear Shrinkage (%) ×24h ≤-2 ≤0.20
Thermal Conductivity @500°C (mW/m·K) 100
Bulk Density (kg/m³) 200 × 100 × 50 pcs
Standard Size (mm) Carton
Packing Carton box
Quality Standards ISO 9001-2000, ISO 14001-1996

Ultra-High Temperature Rating

1600°C

Classification Temperature - Ideal for the most demanding high-temperature applications

💡 Why Choose Polycrystalline Fiber?

  • No organic binders - pure inorganic fiber construction
  • Higher service temperature than standard ceramic fiber (1500°C vs 1260°C)
  • Lower shrinkage at extreme temperatures
  • Superior long-term stability in continuous high-temperature operation
  • Ideal for energy-saving kiln and furnace retrofits

Typical Applications

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High Temperature Kilns

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Furnace Lining Retrofits

Energy-Saving Upgrades

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Hot Face Insulation

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Steel Industry

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Ceramic Industry

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Laboratory Furnaces

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Thermal Retrofitting

Used in high-temperature kiln and furnace energy-saving retrofits, hot face lining applications, and fireproof thermal insulation in demanding industrial environments.

Need Crystalline Fiber for Ultra-High Temperature Applications?

Contact us today for technical consultation, competitive pricing, and fast delivery worldwide.

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