Ceramic Fibre Health and Regulatory Classification
topic
Refractory ceramic fibres are classified as possible human carcinogens Group 2B by IARC based on animal inhalation studies showing mesothelioma induction at high doses, requiring occupational exposure limit compliance below 1 fibre per cubic centimetre under OSHA and EU OEL regulations; biopersistence-modified low-biopersistence fibres and polycrystalline wool fibres with WHO fibre exoneration testing provide safer alternatives with equivalent thermal performance.
Role
Drives reformulation of ceramic fibre products toward low biopersistence compositions that dissolve rapidly in simulated lung fluid, satisfying WHO classification criteria for fibre exoneration from carcinogenicity concern while maintaining high-temperature insulation performance, protecting workers from respiratory health risks during installation and maintenance of ceramic fibre furnace lining systems.