HDPE/8100GX/韩国湖南规格级别管材该料用途用途：地面加热管备注说明特性：优良的耐蠕变性和热稳定性性能项目试验条件[状态]测试方法测试数据数据单位基本性能密度ASTMD-15050.947g/cm3熔体流动速率ASTMD-12380.02g/10min机械性能***终拉伸率ASTMD-638>500%挠曲强度ASTMD-7478,000Kg/cm2耐环境应力***ASTMD-1693>500F50hr屈服拉伸强度ASTMD-638250Kg/cm2冲击强度ASTMD-256>50kg·cm/cm洛氏硬度ASTMD-78555R断裂拉伸强度ASTMD-638350Kg/cm2热性能熔点ASTMD-2117131C°脆化温度ASTMD-746<-80C°维卡软化点ASTMD-1525124C°)