High Alumina Refractory Bricks supplied by The Fire Bricks Supply Co, Supplier and Wholesaler in Kolkata – Heat Resistant for Industrial Use

High Alumina Refractory Bricks

Looking for High Alumina Refractory Bricks? The Fire Bricks Supply Co, a leading supplier and wholesaler from Kolkata, offers top-quality high alumina refractory bricks designed to withstand extreme temperatures and harsh environments. Ideal for furnaces, kilns, and industrial applications, these bricks provide superior thermal stability, excellent mechanical strength, and long-lasting performance. With high alumina content, they offer improved resistance to wear and thermal shock. Trusted by industries for their reliability and durability, The Fire Bricks Supply Co ensures fast delivery and bulk availability for all your refractory brick needs.

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Technical Specifications

Parameter Specification
Product Name High Alumina Refractory Bricks
Material Composition High Alumina (Al₂O₃ ≥ 60%)
Standard Size 230 x 114 x 75 mm (custom sizes available)
Alumina Content (Al₂O₃) 60% – 90% (varies by grade)
Silica Content (SiO₂) 10% – 35%
Cold Crushing Strength (CCS) 350 – 700 kg/cm²
Bulk Density 2.4 – 2.7 g/cm³
Apparent Porosity 15% – 25%
Thermal Conductivity @ 1000°C 1.0 – 1.5 W/m.K
Maximum Service Temperature Up to 1700°C
Refractoriness ≥ 1700°C
Thermal Shock Resistance Excellent – Withstands ≥ 30 cycles at 1000°C
Water Absorption ≤ 10%
Resistance to Chemical High resistance to acidic and basic slags, alkalis, and other chemicals

Features

  • These high alumina refractory bricks offer exceptional resistance to thermal shock and high temperatures.
  • Their superior mechanical strength ensures long-lasting performance in demanding industrial environments.
  • Designed with a low thermal conductivity, they improve energy efficiency in high-heat applications.
  • The bricks provide excellent chemical resistance, making them ideal for harsh chemical processing conditions.
  • With consistent sizing and quality, they are easy to handle and install in various furnace and kiln linings.

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