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Pre-Slit Mineral Wool Blanket for Fast Installation in Metal Stud Walls. High Fire Resistance: Class A1 non-combustible rating meeting ASTM E84 and EN 13501-1 standards. Customizable Dimensions: Available in thicknesses from 25mm to 150mm and custom widths/lengths. Excellent Sound Absorption: Sound absorption coefficient ranging from 0.75 to 0.95 NRC. Versatile Facing Options: Options include aluminum foil, glass cloth, ASJ, and PVC for vapor control. OEM/ODM Services: Full customization available for size, density, packaging, and labeling. LEED Compliant: Meets stringent environmental standards with optional GreenGuard Gold certification.