The manufacturing process of vermiculite fireproof boards directly determines their performance and service life. Premium boards start with high‑purity raw vermiculite, expanded under controlled high temperatures to develop optimal porosity. Selected inorganic fillers and binders are blended to enhance strength and stability. The mixture is compressed under high pressure and sintered at elevated temperatures to form a rigid, uniform matrix. This process ensures low thermal conductivity, high fire resistance, and dimensional stability. In construction, these boards deliver durable fire protection for steel structures, walls, and shafts. In industrial settings, they provide long‑lasting insulation for boilers, furnaces, and metallurgical equipment. For stove and fireplace systems, they resist thermal cycling and maintain integrity over years of use. Bitwat Technology (Shenzhen) Co., Ltd. employs advanced production lines and strict quality management to produce high‑performance vermiculite fireproof boards. Each batch is tested for compressive strength, thermal conductivity, and fire performance to meet international standards. For customized manufacturing and bulk orders, please contact our sales team to discuss your requirements.
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