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加工方法 | · 挤出 | ||||||||||||
物理性能 | 额定值 | 单位制 | 测试方法 | ||||||||||
密度 | 1.17 | g/cm3 | ISO 1183 | ||||||||||
熔流率 | ISO 1133 | ||||||||||||
190°C/2.16 kg | 9.3 | g/10 min | |||||||||||
210°C/2.16 kg | 21 | g/10 min | |||||||||||
乙烯成份 | 35.0 | wt% | |||||||||||
硬度 | 额定值 | 单位制 | 测试方法 | ||||||||||
洛氏硬度 (M 计秤) | 94 | ISO 2039-2 | |||||||||||
机械性能 | 额定值 | 单位制 | 测试方法 | ||||||||||
拉伸模量 | 2500 | MPa | ISO 527-2 | ||||||||||
拉伸应力 (断裂) | 68.0 | MPa | ISO 527-2 | ||||||||||
拉伸应变 (断裂) | 6.0 | % | ISO 527-2 | ||||||||||
弯曲模量 | 4800 | MPa | ISO 178 | ||||||||||
冲击性能 | 额定值 | 单位制 | 测试方法 | ||||||||||
简支梁缺口冲击强度 | 1.0 | kJ/m2 | ISO 179 | ||||||||||
热性能 | 额定值 | 单位制 | 测试方法 | ||||||||||
玻璃转化温度(DSC) | 53.0 | °C | DSC | ||||||||||
溶融温度(DSC) | 177 | °C | ISO 3146 | ||||||||||
结晶峰温 (DSC) | 154 | °C | ISO 3146 | ||||||||||
补充信息 | |||||||||||||
O2 Transmission Rate, ISO 14663-2, 0%RH, 20°C: 0.015 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: 0.097 cm2-mil/100in2/day/atm Water Vapor Transmission Rate, ASTM E96-E, 90%RH, 40°C: 2.4 g-mil/100in2/day/atm | |||||||||||||
挤压说明 | |||||||||||||
· 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 D · Compression: 8 to 10 D · Metering: 8 to 10 D · The 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) |