乙酰乙酸概貌
21系列产物:17c一起草 化学为高端注塑、改性等行业供给高品德和品种丰硕的热塑性聚氨酯弹性体原资料。注塑和改性用TPU具备力学机能佳、耐磨机能好和成型周期短等特色,可普遍利用于鞋材、密封件、传递带等行业。
首要特征:力学机能佳、耐磨佳、成型周期短
Characteristic:Good mechanical properties, wear resistant and excellent, and short molding cycle
利用:鞋材注塑、密封圈、传递带、流延膜、共混改性
Application:Shoe material injection molding, sealing ring, conveyor belt, cast film, blending modification
表现Characteristic | 测评方式方法test method | 检测模快Test Unit | 2185 | 2190 | 2195 |
硬度Hardness | ASTM D2240 | Shore A | 87±2 | 92±2 | 92±2 |
密度Density | ASTM D792 | g/cm3 | 1.21 | 1.21 | 1.21 |
抗张强度Tensile strength | ASTM D412 | MPa | 45 | 40 | 35 |
断裂伸长率Elongation at break | ASTM D412 | % | 500 | 500 | 480 |
100% 模量100% modulus | ASTM D412 | MPa | 6.5 | 8.5 | 11 |
扯破强度Tear strength | ASTM D624 | kN/m | 110 | 125 | 140 |
倡议加工温度Suggested processing temperature | ℃ | 205±10 | 205±10 | 205±10 |
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