... material 2. sound and heat insulation 3. fire, water, sound proof 4. light weight, high strength, no ... , fiber glass),cornstarch, vesicant, lightweight aggregate, citric acid, water, adhesive, etc.2) Product Description (size and thickness ... Advantage and UseSound insulation, heat insulation, moistureproof, fireproofs, water-resiatance, non-desulfuration, environmental protection, pure nature, non- ...