PRODUCT DESCRIPTION: Manual silica sandwich panel, using high-quality color coated steel plate as the surface layer, galvanized steel strip as the edge sealing and reinforcement, with inorganic materials (silica, magnesium thioxide, etc.) combined with organic materials as the core layer, through pressure, heating and other processes made, good sealing performance, high fire grade. PERFORMANCE AND QUALITY STANDARDS Lightness: Its bulk weight is between 80-400 kg/m3; Sound insulation performance: sound insulation performance is 5-8 times the ordinary partition; High temperature resistance: high temperature resistance more than 1500℃