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Fibrous Alumina Refractory Board — 1800°C Grade

Fibrous Alumina Refractory Board — 1800°C Grade

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The standard range focuses on compact board formats suited to laboratory furnaces and high-temperature thermal-processing equipment. Two footprints and two insulation thicknesses cover common chamber-lining, hot-face and thermal-barrier requirements while remaining practical for laboratory installation and handling. Larger boards and custom-cut dimensions are available for non-standard furnace configurations.

Key Features

✓ Fibrous alumina refractory construction
✓ Rigid high-temperature insulation board
✓ 1800°C classification / temperature grade
✓ Low thermal mass and low heat storage
✓ Suitable for cutting and shaping
✓ Larger and custom-cut dimensions available on request

Typical Applications

• Laboratory furnace hot-face insulation
• High-temperature furnace chamber lining
• Sintering and heat-treatment equipment
• Thermal barriers and furnace partitions
• Insulation around furnace ports and openings
• Custom high-temperature laboratory assemblies
Technical Specifications
Material Fibrous alumina refractory insulation
Product Type Rigid high-temperature refractory board
Color White
Classification / Temperature Grade 1800°C
Standard Board Sizes 300 × 300 mm / 600 × 300 mm
Standard Thicknesses 25 / 50 mm
Custom Dimensions Available on request
Standard Sizes
Board Size Available Thicknesses
300 × 300 mm 25 / 50 mm
600 × 300 mm 25 / 50 mm
Technical Notes
• The 1800°C value refers to the material classification / temperature grade and should not be interpreted as a guaranteed continuous-use temperature under all operating conditions.
• Actual operating suitability depends on furnace atmosphere, thermal cycle, installation method and mechanical loading.
• Select board thickness according to the required insulation depth and available furnace-chamber space.
• The board can be cut and shaped using suitable tools for furnace linings, ports and custom insulation components.
• Avoid concentrated mechanical loading and impact, particularly at edges and corners.
• Cutting and shaping may generate dust; use suitable extraction and appropriate personal protective equipment.
Package Contents
1× Fibrous Alumina Refractory Board
Selected length × width × thickness
Selection & Custom Sizes
The 300 × 300 mm format is suited to compact furnace chambers, localized insulation and laboratory modifications, while the 600 × 300 mm format provides additional coverage for intermediate furnace assemblies. Select 25 or 50 mm thickness according to the required insulation depth. Larger formats, alternative thicknesses and custom-cut refractory boards can be supplied on request.

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