calcium silicate fire door core

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High temperature calcium silicate door core for fireproof and sound insulation door is a kind of inorganic and non-combustible material with stable physical and chemical properties. The characteristics are high temperature resistance, low thermal conductivity, good performance of soundproof and insulation, lightweight and high special strength. It does not deform in normal temperature or moist air. Free from asbestos, is a kind of green building material, haven’t any irritant smoke when burning and under high temperature. High temperature calcium silicate door core is widely used for 30min, 60min and 90min fire rate wooden fire door and metal fire door. And had already got the certificate of ITS Lab of North America. For steel fire door Bulk Density kg/m3 260~320 Flexural Strength Mpa ≥0.5 Thermal Cond. W/m.k ≤0.07 Service temp. ℃ 1000 Linear Shrinkage(1000℃ × 3h)% ≤2 For Wooden fire door Bulk Density kg/m3 280~360 Flexural Strength Mpa ≥0.6 Thermal Cond. W/m.k ≤0.07 Service temp. ℃ 1000 Linear Shrinkage(1000℃ × 3h)% ≤2 Standard Size: 1050X850, 1000X500mm Thickness: 35-50mm We could band to many size as customer require.

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Laizhou Bornder Fireproof Board Co., LTD

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