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Commercial-Grade Acoustic Rock Wool Insulating Board for Cleanroom Construction with Seamless Joints. Excellent Moisture Resistance: Hydrophobic with water repellency greater than 99% to prevent mold growth. Customizable Dimensions: Available in lengths 1000-1200mm, widths 400-1200mm, and thicknesses 20-200mm. High Sound Absorption: Provides high acoustic insulation with Noise Reduction Coefficient up to 0.95. OEM and ODM Services: Full customization available for dimensions, densities, and packaging based on designs. Durable and Robust: Mechanically strong with compressive strength over 40 kPa at 10% deformation. Eco-Friendly Material: Made from natural basalt rock and recycled slag, contributing to sustainable building.