9.5mm En 520 Water Repellent Paper Fire and Water Resistant Drywall Panels for Building Plant Room Interior Wall Linings

9.5mm En 520 Water Repellent Paper Fire and Water Resistant Drywall Panels for Building Plant Room Interior Wall Linings. Dual functional paper-faced structure: Silicone-treated water-repellent paper + glass fiber & vermiculite reinforced gypsum core. Certified A2 fire rating, matching standard keel systems to achieve 2-hour fire endurance for building safety. Strict water absorption index: Core absorption below 5%, surface absorption less than 160g/m2, anti-mold & anti-deformation in damp areas. All-in-one solution for humid fire-risk zones: Kitchens, bathrooms, hotel corridors, hospital public areas. Complies with ASTM, GB, CE and Australian building standards, supports standard cutting, screwing & installation.