Refractory Bricks, Castables & Insulation Materials

High-alumina brick — 75 grade

Aluminosilicate bricks

Furnace walls and arches; hot-blast and high-temperature equipment, subject to zone design.

Al₂O₃ (%)

≥75

Refractoriness (°C)

≥1790

RUL at 0.2 MPa (°C)

≥1520

Catalogue reference values

High-alumina brick — 65 grade

Aluminosilicate bricks

Industrial furnace walls, arches and selected kiln sections.

Al₂O₃ (%)

65–75

Refractoriness (°C)

1750–1790

RUL at 0.2 MPa (°C)

≥1480

Catalogue reference values

High-alumina brick — 55 grade

Aluminosilicate bricks

General kiln linings and secondary thermal-equipment zones.

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Magnesia–alumina spinel brick

Magnesia & spinel bricks

Selected cement rotary-kiln burning and transition zones; other basic refractory positions after review.

MgO (%)

80–82

Al₂O₃ (%)

12–15

RUL at 0.2 MPa (°C)

≥1700

Catalogue reference values

Fused-magnesia brick — 95 grade

Magnesia & spinel bricks

Selected glass-regenerator and metallurgical furnace positions.

MgO (%)

≥95

CaO (%)

≤1.5

SiO₂ (%)

≤1.5

Catalogue reference values

Silicon mullite brick

Aluminosilicate bricks

Cement-kiln transition zones; kiln hood, cooler and duct positions where the proposed shape and lining design are suitable.

Al₂O₃ (%)

≥63

SiC + SiO₂ (%)

≥30

RUL at 0.2 MPa (°C)

≥1650

Catalogue reference values

Alkali-resistant brick

Aluminosilicate bricks

Cement preheaters, calciners and kiln-inlet systems, subject to operating conditions.

Al₂O₃ (%)

25–30

SiO₂ (%)

60–65

RUL at 0.2 MPa (°C)

≥1300

Catalogue reference values

Anti-spalling high-alumina brick

Aluminosilicate bricks

Cement kiln inlet and transition positions after zone review.

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Magnesia–iron & hercynite spinel bricks

Magnesia & spinel bricks

Rotary-kiln burning and transition zones.

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97 / 98 fused-magnesia brick families

Magnesia & spinel bricks

Selected glass-regenerator and metallurgical positions.

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Magnesia–chrome bricks

Specialty corrosion-resistant bricks

Selected nonferrous smelting and glass-furnace positions.

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Magnesia–alumina–chrome composite spinel brick

Specialty corrosion-resistant bricks

Selected kiln and metallurgical lining zones.

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Corundum & chrome-bearing composites

Specialty corrosion-resistant bricks

Selected smelting and chemical-process furnace zones.

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Refractory castables

Monolithics & jointing materials

Kiln hoods, coolers, ducts, furnace linings and local repairs.

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Gunning & repair mixes

Monolithics & jointing materials

Local furnace maintenance and scheduled shutdown repairs.

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Refractory mortars & jointing materials

Monolithics & jointing materials

Brick joints and selected joint-filling applications.

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Lightweight mullite insulation brick

Insulation materials

Backup insulation and suitable protected hot-face positions.

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Microporous & calcium-silicate boards

Insulation materials

Backup layers in furnace walls, shells and engineered assemblies.

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Fibre boards & blankets

Insulation materials

Backup insulation, seals and suitable furnace-lining positions.

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Precast refractory shapes

Precast & modular systems

Complex lining sections, wear components and replaceable assemblies.

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Modular energy-saving lining systems

Precast & modular systems

Kiln and furnace lining upgrades within a defined project scope.

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Tubular, sleeve & hanger shapes

Precast & modular systems

Selected glass-regenerator and suspended-lining arrangements.

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