Shanghai Metro Line 9Issuing time:2019-10-14 17:43 Technical Specifications: Light Transmission: Light transmittance > 80%, UV blocking > 99%, solar heat transmission < 76% Thermal Insulation: K-value ≤ 5W/(m²*K) Strength Performance: Testing conforms to the standard UIC-651 Sound Insulation: Following the ISO 717-1 standard, Rw > 33dB Glass Bonding: The sealing process conforms to the DIN6701 standard |