Perforated panel Many types of "Huatong" Aluminium perforated panel shouldbe available for your choice. With 1024 pieces or 1280 piecesconcave holes, perforated panel of 1024 holes supplies the airflow rate of 18.09%í½27.02% and the air flow rate of 1280 holesis 22.61%í½33.77%.They can meet the air flow requirements ofcomputer rooms and clean *****, Huatongaluminium perforated panels assures the free interchangewith other panels. Advantages 1. Elaborated Made 2. Class A construction material (incombustible) 3. High loading performance, Low deflection 4. Recycling, economical 5. Easy for holes opening 6. Acceptable static dissipative performance 7. Precise holes opening, concave design.