If it's insulation and fireproof materials, then IsoLite - biocompatible fibers - BSSR paper.
IsoLite Industries for thermal insulation and fire resistance technology, biocompatible dissolvable fibers (AES wool) BSSR paper, thin fire-resistant insulation paper, suitable for high temperatures, RCF regulation compliant products.
BSSR paper is a product made from biodegradable fibers (AES wool) in a paper form, featuring excellent thermal insulation, high flexibility, and is used as a cushioning material for refractory materials, among other applications.