Laurel’s Soluble Fiber Bulk is the raw, unprocessed fiber used for filling, spraying, packing, and reinforcing environmentally safe insulation systems. With service temperatures up to 1200°C, the fibers provide excellent thermal shock resistance, flexibility, and chemical stability.Ideal for custom insulation solutions, sealing irregular gaps, or producing vacuum-formed components, this bulk fiber ensures high performance while meeting international low-biopersistence standards.

Laurel Refractory’s Soluble Fiber Bulk is a high-purity fiber product ideal for secondary processing or direct industrial insulation use. Produced with advanced fiberizing technology, each batch of Soluble Fiber Bulk offers consistent fiber length, low thermal conductivity, and safe environmental characteristics.Insulation manufacturers, furnace builders, and engineering contractors—choose our Soluble Fiber Bulk for reliable quality and long-term supply stability.