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Jiuqiang Bio-soluble fiber board is a rigid, vacuum-formed thermal insulation product made from high-purity bio-soluble fibers, combined with selected organic and inorganic binders—with or without mineral fillers. Available in a range of densities and strengths, it provides outstanding thermal stability, low thermal conductivity, and uniform structural integrity. Designed as a sustainable alternative to traditional ceramic fiber boards, this product is biodegradable, safe for human contact, and suitable for both hot face applications and backup insulation in extreme environments.