High Alumina Brick 55-80% Refractory up to 1400℃ 1500℃ 1600℃ 1700℃ Cement Kiln

Price Negotiable
Price: Negotiable Price
MOQ: 500 pcs
Delivery Time: 10-15 days
Brand: LEADSUN
Product Description

High Alumina Brick 55-80% Refractory up to 1400℃ / 1500℃ / 1600℃ / 1700℃ Cement Kiln

Leadsun high alumina bricks are made from high-quality bauxite chamotte under advanced production techniques and strict quality inspection. With corundum and mullite as the main mineral phases, the bricks offer outstanding high-temperature strength, excellent chemical corrosion resistance, and long service life.

Technical data

Item HA60 HA70 HA75 HA80
AL2O3(%) ≥60 ≥70 ≥75 ≥80
SIO2(%) 32 22 20 ≥18
Fe2O3(%) ≤2.5 ≤2.0 ≤1.8 ≤1.5
Refractoriness °C ≥1750 ≥1780 ≥1800 ≥1850
Bulk density,g/cm3 2.35-2.4 2.45-2.5 2.5-2.55 2.75-2.8
Softening temperature under load ≥1450 ≥1510 ≥1520 ≥1600
Apparent porosity,% ≤24 ≤23 ≤21 ≤18
Cold Crushing strength Mpa ≥45 ≥50 ≥60 ≥85

Key Advantages

  • Excellent high-temperature resistance for continuous industrial use
  • High alumina content ensures superior refractoriness and thermal stability
  • High bulk density and low porosity for enhanced strength and durability
  • Outstanding resistance to slag, erosion, and chemical corrosion
  • Stable performance under severe thermal shock conditions
  • Long service life, reducing furnace downtime and maintenance costs
  • Suitable for steel, cement, glass, and metallurgical furnaces
  • Cost-effective refractory solution with consistent quality

Features

  1. Reliable performance at elevated temperatures
  2. Dense structure with high bulk density
  3. Low iron content for enhanced refractoriness
  4. Excellent erosion resistance and long service life

Applications

  1. Steel and metallurgical furnaces
  2. Iron-making furnaces
  3. Glass production kilns
  4. Ceramic tunnel kilns
  5. Cement production kilns

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Leadsun Refractory Co., Ltd
Location No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person Tony

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