Refractory Ceramic Fiber Board for High Temperature Insulation

Refractory Ceramic Fiber Board for High Temperature Insulation Also referred to as ceramic fiber insulation board or simply ceramic insulation board, this rigid refractory product is the industry standard for high temperature furnace and kiln lining.

Our refractory ceramic fiber board is a rigid high temperature insulation board engineered for continuous service up to 1430C. Vacuum-formed from high-purity alumina-silicate ceramic fiber bulk, it delivers the structural rigidity that blanket or paper cannot provide, making it the preferred refractory ceramic fiber board for furnace linings, kiln hot-face insulation, and high temperature process equipment.

Why Choose This High Temperature Ceramic Fiber Board

• High temperature rating up to 1430C - six grades (COM/ST/HP/HA/Zir-Alu/HZ) cover every operating range from 1100C economy to 1430C zirconia-stabilised service.
• Rigid and machinable - cuts cleanly with a handsaw or knife, holds shape under compression, ideal for custom refractory linings and baffle boards.
• Low thermal conductivity - 0.12-0.18 W/(m.K) at 800C, outperforms calcium silicate and insulating firebrick at equivalent density.
• Low shrinkage and excellent thermal stability - maintains dimensional integrity through thermal cycling, critical for high temperature ceramic fiber board used as furnace hot-face.
• 100% asbestos-free - classified non-carcinogenic under EU Directive 97/69/EC, safe to handle with standard PPE.

High Temperature Ceramic Fiber Board Applications

This refractory ceramic fiber board is widely used as:

• Hot-face and backup insulation in industrial furnaces and kilns
• High temperature furnace lining for heat treatment equipment
• Petrochemical heater and cracker lining
• LNG and liquid nitrogen cold-box insulation
• Refractory baffle, burner block, and combustion chamber lining
• Expansion joint and door seal in high temperature ducting

Material Composition

Made from high-purity alumina-silicate ceramic fiber bulk, vacuum-formed into rigid sheets. Six standard grades are available depending on alumina (Al2O3) content and zirconia stabilisation: COM (44% Al2O3, 1100C), ST (46% Al2O3, 1260C), HP (47-49% Al2O3, 1260C), HA (52-55% Al2O3, 1360C), Zir-Alu (45-46% Al2O3 + 5-7% ZrO2, 1200C), and HZ (39-40% Al2O3 + 15-17% ZrO2, 1430C).

For a comparison of grades and help selecting the right refractory ceramic fiber board for your application, see the specification table below or contact our technical team.

Manufacturer & Supplier

Rosetexwool is a ceramic fiber board manufacturer and supplier serving more than 60 countries since 1982. Every ceramic fiber board is produced under a documented quality system certified to ISO 9001, CE and SGS, with batch-level traceability from raw material to finished product.

What our manufacturing capability covers:

• In-house melting, fibre-forming and finishing lines for consistent grade and density
• Dimensional, density and thermal checks against ASTM C892, ASTM C1086, EN 10964
• Asbestos-free, low-impurity formulations verified by incoming and outgoing inspection
• Standard and custom sizes, OEM/ODM grades, and cut-to-size supply for project quantities

For quotations, lead times or technical data sheets, contact our team with your specification and target service temperature. Explore the ceramic fiber insulation hub for the full range, or read the ceramic fiber insulation buying guide for selection support.

Related Ceramic Fiber Products & Alternatives

ceramic fiber special shaped — Vacuum-formed shapes produced to your drawing, so burner blocks, ladle covers and complex furnace geometries arrive ready to fit.

polycrystalline mullite fiberboard — Ultra-high temperature board to 1900 °C with exceptional thermal stability and very low shrinkage at the top of the range.

flexible silicate insulation — Bends around curved shells and irregular surfaces without cracking, which rigid board cannot do without expensive fabrication.

For the full ceramic fiber range, temperature grades and density options, see our ceramic fiber insulation guide.

For adjacent material options across temperature and application ranges, explore our rock wool insulation hub.

For tunnel crown and high-heat lining service, see our traffic and fire protection application page.