O2 Transmission Rate, ISO 14663-2, 0%RH, 20°C: 0.013 cm2-mil/100in2/day/atm O2 Transmission Rate, ISO 14663-2, 65%RH, 20°C: 0.03 cm2-mil/100in2/day/atm O2 Transmission Rate, ISO 14663-2, 85%RH, 20°C: 0.091 cm2-mil/100in2/day/atm Water Vapor Transmission Rate, ASTM E96-E, 90%RH, 40°C: 2.6 g-mil/100in2/day/atm
擠壓說明
The recommended design for metering screws: L/D Ratio: 24 to 30 Compression Ratio: 2.6 to 3.6 Zone Distribution: Feed: 8 to 10 DCompression: 8 to 10 DMetering: 8 to 10 DThe recommended design for barrier screws: L/D Ratio: 24 to 30 Compression Ratio: 2.5 to 3 Zone Distribution: Feed: 6 to 7.5 D (25% of screw length)Transition and Melting: 12 to 15 D (50% of screw length)Metering: 6 to 7.5 D (25% of screw length)